Journal articles: 'Sleep Behaviour'

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Horne, J. A. "Human Sleep, Sleep Loss and Behaviour." British Journal of Psychiatry 162, no. 3 (March 1993): 413–19. http://dx.doi.org/10.1192/bjp.162.3.413.

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The prefrontal cortex (PFC) consists of the cortex lying in front of the primary and secondary motor cortex, and includes the dorsolateral and orbital areas, frontal eye fields, and Broca's area. Not all of the functions of the PFC are known, but key ones are the maintenance of wakefulness and non-specific arousal, and the recruiting of various cortical areas required to deal with tasks in hand (Luria, 1973; Stuss & Benson, 1986; Fuster, 1989). Other roles include (Kolb & Whishaw, 1985) planning, sensory comparisons, discrimination, decisions for action, direction and maintenance of attention at a specific task, execution of associated scanning eye movements, and initiation and production of novel goal-directed behaviour (especially with speech). Of the senses, vision makes a particular demand of the PFC, and this is reflected by the frontal eye fields.

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Ebert, D. "Human sleep, sleep loss, and behaviour." British Journal of Psychiatry 163, no. 2 (August 1993): 263–64. http://dx.doi.org/10.1192/bjp.163.2.263.

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Pereira, T., S. Martins, and L. Fernandes. "Sleep duration and suicidal behavior: A systematic review." European Psychiatry 41, S1 (April 2017): s854. http://dx.doi.org/10.1016/j.eurpsy.2017.01.1699.

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IntroductionSuicide is a serious public health problem, being the second leading cause of death among 15–29-year-olds. Many risk factors have been associated with suicidal behavior, such as psychiatric disorders, family history of suicide, loss of a close friend/relative, physical/sexual abuse, lack of support network, or sleep disturbances where nightmares and insomnia have been consistently reported to increase the risk of suicidal behaviors.ObjectiveTo conduct a systematic review to examine the association between short sleep duration and suicidal behaviour (suicide ideation/attempt/suicide).MethodsThis is a systematic review of published research articles in the electronic database PubMed in the last 10 years. The query “sleep” or “sleep disorders” and “suicide” was used. Studies that assessed the relation between sleep duration and suicidal behaviour, with a well-defined index for sleep disorders and with an outcome measure of suicidal behavior were included.ResultsOf the 522 references founded, 33 articles met the inclusion criteria (1 review, 1 qualitative and 31 quantitative studies). An association between short sleep duration and suicidal behaviour was found in most of the studies with children/adolescents and adult samples. However, this relation was not verified in the research into the elderly.ConclusionThe results point to a significant association between short sleep time and the presence of suicidal behaviours, for both adults and children/adolescents. The effect of short sleep duration seems to be more consistent with suicidal ideation, but not for attempts, needing further studies to highlight the importance of this link between sleep duration and suicide.Disclosure of interestThe authors have not supplied their declaration of competing interest.

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Bayes, Danielle M., and Ben Bullock. "Sleep Problems in School Aged Children: A Common Process across Internalising and Externalising Behaviours?" Clocks & Sleep 2, no. 1 (December 20, 2019): 7–18. http://dx.doi.org/10.3390/clockssleep2010002.

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Sleep problems are common in childhood and impact cognitive, psychological and physical wellbeing. The current study investigated the association between sleep problems and internalising and externalising behaviour in 114 school-aged children (5–12 years) from four primary schools in Melbourne, Australia. Data were collected using the Sleep Disorder Inventory for Students to measure sleep and the Conners Behavior Rating Scale to assess behaviour, both by parent report. Hierarchical regression analysis, controlling for socioeconomic status and age, identified moderate associations between sleep problems and emotional distress, aggressive behaviour and hyperactivity/impulsivity. Findings suggest screening for sleep problems in children presenting clinically with behavioural issues is a potentially important clinical practice. Additionally, results support the elaboration of transdiagnostic theory, whereby sleep problems are a common process in both internalising and externalising behaviour in children.

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Ikeda, Kazuyo, Kazushi Deguchi, Mieko Shimamura, Yoshiteru Urai, Masago Tsukaguchi, Shigeki Kuriyama, Tetsuo Touge, and Masayuki Karaki. "REM Sleep Behaviour Disorder." Nihon Naika Gakkai Zasshi 97, no. 5 (2008): 1078–80. http://dx.doi.org/10.2169/naika.97.1078.

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Salzarulo, Piero. "REM sleep behaviour disorder." Journal of Sleep Research 3, no. 3 (September 1994): 192. http://dx.doi.org/10.1111/j.1365-2869.1994.tb00129.x.

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Ferini-Strambi, Luigi, Fabrizio Rinaldi, Enrico Giora, Sara Marelli, and Andrea Galbiati. "REM sleep Behaviour Disorder." Parkinsonism & Related Disorders 22 (January 2016): S69—S72. http://dx.doi.org/10.1016/j.parkreldis.2015.09.002.

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Moutinho, A., A. V. Pereira, and G. Jorge. "“Sexsomnia” - sleep sexual behaviour." European Psychiatry 26, S2 (March 2011): 1561. http://dx.doi.org/10.1016/s0924-9338(11)73265-5.

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Sexsomnia is a disorder that is characterized by abnormal sexual behaviours during sleep and can vary from explicit sexual vocalizations to violent masturbation and complex sexual acts including oral, vaginal or anal penetration. This disorder has clinical, psychosocial and medico-legal consequences, both to the patient and the people that surround him. Despite the scarce literature and infrequent reports, there are some descriptions of violent behaviours, sexual assault and sexual involvement of minors. Whenever we suspect that a patient suffers from sexsomnia, we must write a rigorous and complete clinical history, make a neurologic and phychiatric evaluation and nocturnal videopolysomnography. As soon as the diagnosis is established, we must plan treatment approaches. More attention should be payed to the psychosocial and medico-legal issues, and new research is needed to provide for better understanding of etiology and to improve the clinical evaluation and management.

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Ferini-Strambi, L., M. L. Fantini, M. Zucconi, V. Castronovo, S. Marelli, A. Oldani, and S. Cappa. "REM sleep behaviour disorder." Neurological Sciences 26, S3 (December 2005): s186—s192. http://dx.doi.org/10.1007/s10072-005-0485-7.

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Trajanovic, Nikola N., Michael Mangan, and Colin M. Shapiro. "Sexual behaviour in sleep." Social Psychiatry and Psychiatric Epidemiology 42, no. 12 (October 11, 2007): 1024–31. http://dx.doi.org/10.1007/s00127-007-0258-0.

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Szűcs, Anna, Carlotta Mutti, Anikó Papp, Péter Halász, and Liborio Parrino. "REM sleep, REM parasomnias, REM sleep behaviour disorder." Ideggyógyászati szemle 75, no. 5-6 (2022): 171–82. http://dx.doi.org/10.18071/isz.75.0171.

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We review the literature on REM parasomnias, and their the underlying mechanisms. Several REM parasomnias are consistent with sleep dissociations, where certain elements of the REM sleep pattern emerge in an inadequate time (sleep paralysis, hypnagogic hallucinations and cataplexy) or are absent/partial in their normal REM sleep time (REM sleep without atonia, underlying REM sleep behavior disorder). The rest of REM parasomnias (sleep related painful erection, catathrenia) may have other still unclear mechanisms. REM parasomnias deserve attention, because in addition to disturbing sleep and causing injuries, they may shed light on REM sleep functions as well as the heterogeneous etiologies of parasomnias. One of them, REM sleep behavior disorder has special importance as a warning sign of evolving neurodegenerative conditions mainly synucleinopathies (some cases synucleinopathies themselves) and it is a model parasomnia revealing that parasomnias may have by autoimmune, iatrogenic and even psychosomatic etiologies.

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Toyong, Paul Junrey A. "Sleeping Habits, Classroom Behaviour and Academic Performance of Senior High School Students." International Journal of Multidisciplinary: Applied Business and Education Research 1, no. 1 (December 18, 2020): 54–63. http://dx.doi.org/10.11594/ijmaber.01.01.10.

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Being sleepy in class can have a vital impact on the academic performance of a student. Lack of sufficient and adequate sleep can be harmful and even deadly. It is a basic necessity of life and important part of learning. This study utilized descriptive and correlational design to examine 119 senior high Electrical Installation and Maintenance (EIM) students who were selected through simple random sampling. Findings revealed that 88 percent of the students were sleep deprived and they usually sleep for lessthan 6 hours only. Two of the reasons of sleeping late were using of Facebook and Messenger account and playing mobile games. The third reason was making assignments and homework. The most prevalent classroom behaviours were: students were sleepy during class discussions and they slept in class during vacant periods and the third prevalent behavior was they felt tired during classes. Sixty-one percent of the students have a general average of 75-79 which is only fairly satisfactory and 29 percent have 80-84 grade which is only satisfactory in the K-12 grading system. There was a significant negative relationship (cc= -0.420 and p=0.000) between number of hours of night sleep and sleepiness classroom behavior. This suggested that the less number of hours of night sleep is correlated to high occurrence of sleepiness classroom behavior. There was a significant positive relationship (cc=0.627 and p=0.000) between number of hours of night sleep and academic per-formance. This suggested that the high number of hours of night sleep is associated to high academic performance. On the other hand, students with less sleep had low academic performance. There was a significant negative relationship (cc= -0.544 and p=0.000) between sleepiness classroom behavior and the academic performance. This implied that high occurrence of sleepiness classroom behavior is associated to low academic performance. The implications may serve as basis for policy makers, school administrators and teachers to educate students including the parents on the proper use of mobile phones and other gadgets. The parents need to set sleeping time or lights-off rules and regulate the use of mobile phones. Sleeping time or routine shall be imposed. School administrators and teachers need to craft a well-planned and well-designed policy on giving assignments and homework to attain high scholastic achievement.

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Lewthwaite, Hayley, Tanja W. Effing, Timothy Olds, and Marie T. Williams. "Physical activity, sedentary behaviour and sleep in COPD guidelines: A systematic review." Chronic Respiratory Disease 14, no. 3 (February 24, 2017): 231–44. http://dx.doi.org/10.1177/1479972316687224.

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Objectives: Physical activity, sedentary and sleep behaviours have strong associations with health. This systematic review aimed to identify how clinical practice guidelines (CPGs) for the management of chronic obstructive pulmonary disease (COPD) report specific recommendations and strategies for these movement behaviours. Methods: A systematic search of databases (Medline, Scopus, CiNAHL, EMbase, Clinical Guideline), reference lists and websites identified current versions of CPGs published since 2005. Specific recommendations and strategies concerning physical activity, sedentary behaviour and sleep were extracted verbatim. The proportions of CPGs providing specific recommendations and strategies were reported. Results: From 2370 citations identified, 35 CPGs were eligible for inclusion. Of these, 21 (60%) provided specific recommendations for physical activity, while none provided specific recommendations for sedentary behaviour or sleep. The most commonly suggested strategies to improve movement behaviours were encouragement from a healthcare provider (physical activity n = 20; sedentary behaviour n = 2) and referral for a diagnostic sleep study (sleep n = 4). Conclusion: Since optimal physical activity, sedentary behaviour and sleep durations and patterns are likely to be associated with mitigating the effects of COPD, as well as with general health and well-being, there is a need for further COPD-specific research, consensus and incorporation of recommendations and strategies into CPGs.

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Randler, Christoph. "Sleep, sleep timing and chronotype in animal behaviour." Animal Behaviour 94 (August 2014): 161–66. http://dx.doi.org/10.1016/j.anbehav.2014.05.001.

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Ravi, Anushree, Helena Bryans, Melissa Ruprich, Helen Burgeess, Thomas Roth, Christopher Drake, and Philip Cheng. "0336 Sleep Time and Risk Taking Behaviour in Night Shift-Workers." Sleep 45, Supplement_1 (May 25, 2022): A151. http://dx.doi.org/10.1093/sleep/zsac079.334.

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Abstract Introduction Night shift-workers are integral in a multitude of industries. Many night shift-workers experience sleep loss, which may impact their risk taking behaviour.This study aimed to identify the correlation between total sleep time (TST) and shift-workers' engagement in risk-taking behavior. Methods 53 night shift-workers participated in the experiment. Polysomnography was conducted to determine the TST of shift-workers prior to completing a task that measured risk taking behaviour. This task simulated a driving scenario in which participants must decide whether or not to proceed at a yellow traffic light. Participants were not informed of the duration of the yellow light, which varied unpredictably in duration. The task consisted of 16 trials, and participants earned points that translated to a cash incentive (25 points = 25 cents). Participants either earned or lost 25 points depending on the success of each trial. Failure was defined as running a red light. Those who proceeded at every trial were categorized as insensitive to risk. Results The data revealed that those insensitive to risk had a significantly lower TST value.Those insensitive to risk had a lower mean sleep time (374 minutes, SD=75) compared to those sensitive to risk (415 minutes, SD= 42), p =.01 (Cohen’s d=0.67). Conclusion Sleep time is associated with risk-taking behavior in night shift-workers. This study offers insight into the amplification of risk taking behaviours within night shift-workers posed by sleep loss, possibly leading to errors and injuries in the workplace. This association may also suggest that implementation of measures to increase sleep for night shift-workers could decrease risk-taking behaviours. Support (If Any) K23HL133186

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King, Christian. "Soft drinks consumption and child behaviour problems: the role of food insecurity and sleep patterns." Public Health Nutrition 20, no. 2 (August 30, 2016): 266–73. http://dx.doi.org/10.1017/s1368980016002093.

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AbstractObjectiveTo examine whether the association between soft drinks consumption and child behaviour problems differs by food security status and sleep patterns in young children.DesignCross-sectional observational data from the Fragile Families and Child Wellbeing Study (FFCWS), which collected information on food insecurity, soft drinks consumption, sleep patterns and child behaviour problems. Bivariate and multivariate ordinary least-squares regression analyses predicting child behaviour problems and accounting for socio-economic factors and household characteristics were performed.SettingTwenty urban cities in the USA with a population of 200 000 or more.SubjectsParental interviews of 2829 children who were about 5 years old.ResultsSoft drinks consumption was associated with aggressive behaviours, withdrawn and attention problems for children aged 5 years. However, the association differed by food security status. The association was mostly statistically insignificant among food-secure children after accounting for socio-economic and demographic characteristics. On the other hand, soft drinks consumption was associated with behaviour problems for food-insecure children even after accounting for these factors. However, after accounting for child sleep patterns, the association between soft drinks consumption and child behaviour problems became statistically insignificant for food-insecure children.ConclusionsThe negative association between soft drinks consumption and child behaviour problems could be explained by sleep problems for food-insecure children. Since about 21 % of households with children are food insecure, targeted efforts to reduce food insecurity would help improve dietary (reduce soft drinks consumption) and health behaviours (improve sleep) and reduce child behaviour problems.

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Kandola, A., B. Del Pozo Cruz, D. Osborn, B. Stubbs, K. Choi, and J. Hayes. "24-hour movement behaviours and the risk of common mental health symptoms: A compositional analysis in the UK biobank." European Psychiatry 64, S1 (April 2021): S120—S121. http://dx.doi.org/10.1192/j.eurpsy.2021.341.

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IntroductionSedentary behaviour is potentially a modifiable risk factor for depression and anxiety disorders, but findings have been inconsistent.ObjectivesTo assess associations of sedentary behavior with depression and anxiety symptoms and estimate the impact of replacing daily time spent in sedentary behaviors with sleep, light, or moderate-to-vigorous physical activity, using novel compositional data analysis methods.MethodsProspective cohort study in with 60,235 UK Biobank participants (mean age: 56; 56% female). Exposure was baseline daily movement behaviours (accelerometer-assessed sedentary behaviour, physical activity, and self-reported total sleep). Outcomes were depression and anxiety symptoms (Patient Health Questionnaire-9 and Generalised Anxiety Disorders-7) at follow up.ResultsReplacing 60 minutes of sedentary behaviour with light activity, moderate-to-vigorous activity, and sleep was associated with lower depression symptom scores by 1·3% (95%CI, 0·4%-2·1%), 12·5% (95%CI, 11·4%-13·5%), and 7·6% (95%CI, 6·9%-8·4%), and lower odds of depression by 0·95 (95%CI, 0·94-0·96), 0·75 (95%CI, 0·74-0·76), and 0·90 (95%CI, 0·90-0·91) at follow-up. Replacing 60 minutes of sedentary behaviour with moderate-to-vigorous activity and sleep was associated with lower anxiety symptom scores by 6·6% (95%CI, 5·5%-7·6%) and 4·5% (95%CI, 3·7%-5·2%), and lower odds of meeting the threshold for an anxiety disorder by 0·90 (95%CI, 0·89-0·90) and 0·97 (95%CI, 0·96-0·97) at follow-up. However, replacing 60 minutes of sedentary behaviour with light activity was associated with higher anxiety symptom scores by 4·5% (95%CI, 3·7%-5·3%) and higher odds of an anxiety disorder by 1·07 (95%CI, 1·06-1·08).ConclusionsSedentary behaviour is a risk factor for increased depression and anxiety symptoms in adults, but different replacement activities differentially influence mental health.DisclosureNo significant relationships.

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Thornton, Stephanie. "Sleep, success and difficult behaviour." Practical Pre-School 2013, no. 145 (February 2013): 18–19. http://dx.doi.org/10.12968/prps.2013.1.145.18.

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Puckering, Christine. "Sleep Phobia or Obsessive Behaviour?" Child Psychology and Psychiatry Review 4, no. 4 (November 1999): 194–95. http://dx.doi.org/10.1017/s136064179921204x.

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Thomas, A., L. Bonanni, and M. Onofrj. "Symptomatic REM sleep behaviour disorder." Neurological Sciences 28, S1 (January 2007): S21—S36. http://dx.doi.org/10.1007/s10072-007-0735-y.

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Bindman, D., A. Nesbitt, D. Wasserman, S. Higgins, I. Duncan, V. Gnoni, P. Drakatos, et al. "REM sleep behaviour disorder : potential sleep and datscan correlates." Sleep Medicine 64 (December 2019): S276. http://dx.doi.org/10.1016/j.sleep.2019.11.772.

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Aishworiya, Ramkumar, Pofun Chan, Jennifer Kiing, Shang Chee Chong, Armi G. Laino, and Stacey KH Tay. "Sleep Behaviour in a Sample of Preschool Children in Singapore." Annals of the Academy of Medicine, Singapore 41, no. 3 (March 15, 2012): 99–104. http://dx.doi.org/10.47102/annals-acadmedsg.v41n3p99.

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Introduction: Sleep problems are common in all ages, but may be particularly acute in urban Singapore. This study aims to describe the sleep behaviour of, and to identify any sleep problems in, preschool children. Materials and Methods: This was a cross-sectional questionnaire survey of 372 children attending local childcare centers. The questionnaire was based on the Children’s Sleep Habits Questionnaire (CSHQ), a validated parent-report sleep screening questionnaire that contains 54 items identifying sleep behaviours in children. Results: A total of 372 (40.0%) children participated. The mean age was 4.1 (SD 1.3) years (range, 2 to 6 years). Average total sleep duration was 10.8 hours (SD 1.1) with average night-time sleep duration of 8.5 hours (SD 0.6) and average nap duration of 1.6 hours (SD 1.0). Co-sleeping was common; 80.9% of children shared a room with someone else. The most common sleep problems were in the domains of sleep resistance and morning behaviour; namely: requiring company to fall asleep (n = 272, 73.1%), being afraid to sleep alone (n = 228, 61.6%) and difficulty in waking up (n = 165, 44.4%). Among parents, 84.1 % (n = 313) perceived that their child’s sleep duration was adequate. Conclusion: The duration of sleep in the Singaporean preschool population sampled is significantly lower than recommended values and that of previously described Caucasian populations. Parental perception of sleep adequacy deviates from current recommendations. Given the clear relation of sleep duration with cognitive functioning, learning, and physical growth, this sleep deprivation should be addressed with parental education and opportunistic screening of sleep in well-child follow-ups. Key words: Co-sleeping, Sleep duration, Sleep resistance

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Sampasa-Kanyinga, Hugues, Ian Colman, Dorothea Dumuid, Ian Janssen, Gary S. Goldfield, Jian Li Wang, Karen A. Patte, Scott T. Leatherdale, and Jean-Philippe Chaput. "Longitudinal association between movement behaviours and depressive symptoms among adolescents using compositional data analysis." PLOS ONE 16, no. 9 (September 1, 2021): e0256867. http://dx.doi.org/10.1371/journal.pone.0256867.

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Background Research examining the associations between movement behaviours and mental health indicators within a compositional framework are sparse and limited by their cross-sectional study design. This study has three objectives. First, to describe the change in movement behaviour composition over time. Second, to explore the association between change in movement behaviour composition and change in depressive symptoms. Third, to explore how reallocations of time between movement behaviours are associated with changes in depressive symptoms. Methods Longitudinal data of 14,620 students in grades 9–12 (mean age: 14.9 years) attending secondary schools in Canada (Ontario, British Columbia, Alberta, Quebec) were obtained from two waves (2017/18, 2018/19) of the COMPASS study. Moderate-to-vigorous physical activity (MVPA), recreational screen time, and sleep duration were self-reported. Depressive symptoms were measured using the Center for Epidemiologic Studies Depression Scale (Revised)−10 (CESD-R-10). Compositional data analyses using pivot coordinates and compositional isotemporal substitution for longitudinal data were used to analyse the data. Analyses accounted for school clustering, were stratified by gender and age (< or ≥ 15 years), and were adjusted for race/ethnicity, body mass index z-score, baseline movement behaviour composition, and baseline depressive symptoms. Results There were significant differences in movement behaviour composition over time across all subgroups. For example, the relative contributions of MVPA and sleep duration to the movement behaviour composition decreased over time while screen time increased among younger boys and girls and older girls. Increasing sleep duration relative to the remaining behaviours (i.e. screen time and MVPA) was associated with lower depressive symptoms among all subgroups. Increasing screen time relative to the remaining behaviours (i.e. MVPA and sleep duration) was associated with higher depressive symptoms among all subgroups. Increasing MVPA relative to the remaining behaviours (i.e. screen time and sleep duration) was associated with lower depressive symptoms in older girls only. Isotemporal substitution estimates indicated that decreasing screen time by 60 minutes/day and replacing that time with 60 minutes of additional sleep is associated with the largest change in depressive symptoms across all subgroups. Conclusions Findings from this prospective analysis suggest that increased sleep duration and reduced screen time are important determinants of lower depressive symptoms among adolescents.

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Abd Rahim, Hafizah, and Mohd Khairi Zawi. "Study of Sleep Behaviour of Adolescent Athletes Sports School Malaysia Sabah." Malaysian Journal of Social Sciences and Humanities (MJSSH) 7, no. 3 (March 10, 2022): e001382. http://dx.doi.org/10.47405/mjssh.v7i3.1382.

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Many athletes do not realize that sleep is one of the necessary elements in their daily routine as athletes. For this reason, most athletes often neglect and do not practice good sleep behaviors in helping athletes to get quality sleep. This study was conducted to identify the sleep behavior of SSMS athletes and look at the differences in the sleep behavior of athletes based on age and also the level of athlete involvement and performance in sports. A total of 152 respondents were involved in this study. This study used the Athlete Sleep Behavior Questionnaire (ASBQ) which is a survey specifically designed to survey and evaluate the sleep behavioral characteristics of athletes. Significant difference F (2, 149) = 6.148, p = .003. Tukey HSD showed a significant mean score difference between the group of 13 to 15 years (M = 2.07, SP = 0.489) and the group of 18 years and above (M = 2.39, SP = 0.382) with a p value of .002.

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Loo, Rachael Si Xuan, See Ling Loy, Chee Wai Ku, Yin Bun Cheung, Lay See Ong, Kok Hian Tan, Mary Foong-Fong Chong, Fabian Yap, and Jerry Kok Yen Chan. "Nocturnal Lifestyle Behaviour and Sleep Quality During Pregnancy." Current Developments in Nutrition 6, Supplement_1 (June 2022): 686. http://dx.doi.org/10.1093/cdn/nzac061.070.

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Abstract Objectives Little is known about the extent to which lifestyle practices at night influence sleep quality in pregnant women who are susceptible to sleep disturbances. This study aimed to examine the association between nocturnal lifestyle behaviour and sleep quality of women during pregnancy. Methods This observational cross-sectional study recruited pregnant women between 18 and 24 weeks of gestation from KK Women's and Children's Hospital, Singapore. Nocturnal lifestyle behaviour was assessed by frequency of night eating after 8 pm, moderate-to-vigorous physical activity performance after 7 pm, screen viewing > 1 hour before bedtime and artificial light exposure with ≥ 10 lux between 2–4 am. Sleep quality was measured using the Pittsburgh Sleep Quality Index with global score > 5 indicative of poor sleep quality. Modified Poisson regression model tested the association between nocturnal lifestyle behaviour and sleep quality. Results Of 299 women, 117 (39.1%) exhibited poor sleep quality. In the covariate-adjusted analysis, an increased risk of poor sleep quality was observed in women with night eating (risk ratio 1.54; 95% confidence interval 1.15, 2.06) and light exposure at night (1.74; 1.34, 2.25). No associations were observed for night-time physical activity (0.84; 0.60, 1.17) and screen viewing before bedtime (1.10; 0.76, 1.60) with sleep quality. Conclusions More than one-third of pregnant women experienced poor sleep quality. Night eating and artificial light exposure at night were associated with poor sleep quality during pregnancy. Thus, reducing night eating and decreasing levels of exposure to light at night represent potential targets for healthy sleep interventions in pregnancy, in a bid to augment efforts to promote sleep quality among pregnant women. Funding Sources This study is supported by the Singapore Ministry of Health's National Medical Research Council under its Open Fund-Young Individual Research Grant.

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Clarke, Nicholas A., Adrian J. Williams, and Michael D. Kopelman. "Rapid eye movement sleep behaviour disorder, depression and cognitive impairment. Case study." British Journal of Psychiatry 176, no. 2 (February 2000): 189–92. http://dx.doi.org/10.1192/bjp.176.2.189.

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BackgroundRapid eye movement (REM) sleep behaviour disorder is a relatively new diagnostic category. It has never before been associated with a treatable depressive condition.AimsTo repot on a 74-year-old man with a history of depression and REM sleep behaviour disorder, associated with mild cognitive impairment.MethodAssessment using brain CT, MRI, PET, electroencephalography, neuropsychological testing and nocturnal polysomnography.ResultsDepression was treated with sertraline. Sleep laboratory studies supported a diagnosis of REM sleep behaviour disorder, which was treated with clonazepam. Sleep apnoea, revealed later, was treated with nasal continuous positive airways pressure. Brain MRI showed mild atrophy, but neuropsychological testing indicated no progressive cognitive deterioration.ConclusionsThis case draws attention to REM sleep behaviour disorder and its potential interaction with depression and cognitive impairment, producing symptoms which can be mistaken for early dementia. The diagnosis of REM sleep behaviour disorder is easily missed, and it requires careful history-taking and sleep investigation in all suspected sufferers. Associated neurological, sleep and psychiatric conditions (including depression and cognitive impairment) may confound the diagnosis.

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Anderson, Matthew J., Autumn G. Jones, Amanda P. Schlosnagle, Michelle L. King, and Angela Perretti. "Examining Unihemispheric Sleep and its Potential Relation to Lateral Resting Behaviour and Unipedal Resting Stance in Caribbean Flamingos." Avian Biology Research 11, no. 2 (May 2018): 74–79. http://dx.doi.org/10.3184/175815618x15204318491767.

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While much recent research has examined flamingo unipedal resting, as well as laterality in the resting behaviours of these birds, the phenomenon of unihemispheric sleep is not well documented in flamingos, and the potential relationship between unihemispheric sleep and these other aspects of flamingo resting behaviour has not been thoroughly explored. In the present report, unihemispheric sleep was studied in Caribbean Flamingos (Phoenicopterus ruber) (n=17) at the Philadelphia Zoo (Philadelphia, PA, USA). Specifically, we examined whether unihemispheric sleep, as measured by contralateral eye closure, is associated with unipedal resting and lateral behavioural side choice in resting Caribbean Flamingos. Results over three studies evidenced that Caribbean Flamingos do engage in unihemispheric sleep, and suggested that unihemispheric sleep is not related to unipedal resting or lateral neck-resting behaviour. Moreover, Harker and Harker's (2010) hypothesis that unipedal resting in flamingos is brought on by the impending onset of unihemispheric sleep was tested, with results failing to support this notion.

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Abou-Ismail, UA, OHP Burman, CJ Nicol, and M. Mendl. "Can sleep behaviour be used as an indicator of stress in group-housed rats (Rattus norvegicus)?" Animal Welfare 16, no. 2 (May 2007): 185–88. http://dx.doi.org/10.1017/s0962728600031298.

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AbstractWe assessed the value of sleep behaviour as a novel measure of stress in group-housed animals. We observed, non-invasively, sleep behaviour in 144 group-housed rats, and related it to other physiological and physical indicators of stress and welfare. Sleep frequency and duration correlated negatively with adrenal weight, and positively with bodyweight gain, and final bodyweight. Thus, low frequencies of sleep behaviour and low sleep duration correlate with some indicators of elevated physiological and physical stress, raising the possibility that sleep behaviour may provide an under-utilised, but potentially important, non-invasive indicator of stress and welfare for animals in groups.

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Maury, Gisèle, Frédéric Senny, Laurent Cambron, Adelin Albert, Laurence Seidel, and Robert Poirrier. "Mandible behaviour interpretation during wakefulness, sleep and sleep-disordered breathing." Journal of Sleep Research 23, no. 6 (July 31, 2014): 709–16. http://dx.doi.org/10.1111/jsr.12180.

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Pengpid, Supa, and Karl Peltzer. "Sedentary Behaviour and 12 Sleep Problem Indicators among Middle-Aged and Elderly Adults in South Africa." International Journal of Environmental Research and Public Health 16, no. 8 (April 20, 2019): 1422. http://dx.doi.org/10.3390/ijerph16081422.

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The aim of this investigation was to assess the association of sedentary behaviour with 12 different sleep problem indicators among rural middle-aged and elderly adults in South Africa. Cross-sectional data were analysed from the “Health and Aging in Africa: A Longitudinal Study of an INDEPTH community in South Africa” (HAALSI) baseline survey. Participants responded to a questionnaire, including sociodemographic, health, anthropometric measures, sedentary behaviour and 12 different sleep problem indicators. The sample included 4782 individuals 40 years and older (median 61 years, interquartile range = 20 years). Overall, participants engaged <4 h (55.9%), 4–<8 h (34.1%), 8 or more hours a day (9.9%) sedentary time a day. In adjusted multinomial logistic regression, 8 h of more sedentary time was associated with short and long sleep. In adjusted logistic regression analysis, high sedentary time was positively associated with snoring, gasping, breathing stops and restless sleep and negatively associated with insufficient sleep and sleep problems due to a traumatic event. In combined analysis, compared to persons with low or moderate sedentary behaviour and moderate or high physical activity, persons with high sedentary behaviour and low physical activity were more likely to have long sleep, insufficient sleep, snoring, gasping, breathing stops, and restless sleep and less likely to have sleep problems due to traumatic events. Findings show an association between sedentary behaviour and/or combined sedentary behaviour and low physical activity with seven of 12 sleep problem indicators (short sleep, long sleep, insufficient sleep, snoring, gasping, breathing stops, and restless sleep).

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Pires, Gabriel Natan, Andréia Gomes Bezerra, Rob B. M. de Vries, Cathalijn H. C. Leenaars, Merel Ritskes-Hoitinga, Sergio Tufik, and Monica Levy Andersen. "Effects of experimental sleep deprivation on aggressive, sexual and maternal behaviour in animals: a systematic review protocol." BMJ Open Science 2, no. 1 (November 2018): e000041. http://dx.doi.org/10.1136/bmjos-2017-000041.

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ObjectiveBecause of the relevance for the research on sleep deprivation and human behaviour, many preclinical studies have been conducted on aggressive, sexual and maternal behaviours in this field. Considering the available data and the complexity of the factors involved, the most appropriate way to summarise the effects of sleep deprivation on these behaviours is through systematic reviews and meta-analyses. This article describes the protocol for three independent systematic reviews and meta-analyses, evaluating the effects of sleep deprivation on aggressive, sexual and maternal behaviours in animals.Search strategyA bibliographic search will be performed in four databases: Pubmed, Scopus, Web of Science and Psychinfo, searching for three domains: sleep deprivation (as the intervention), animals (as the population) and behaviour (as the outcome).Screening and annotationTitles and abstracts will first be screened, followed by analysis of the full text and data extraction.Data management and reportingSYstematic Review Centre for Laboratory Animal Experimentation ’s risk of bias tool will be used to evaluate risk of bias; visual analysis of funnel plots, Egger’s regression and trim-and-fill will be employed to evaluate publication bias. Effect sizes will be calculated from the articles by either direct or standardised mean difference, depending on the nature of the data. Overall estimates will then be calculated using a random effects model. Heterogeneity will be assessed using both I2 index and Cochran’s Q test. These meta-analyses should be useful to summarise the available data on the relationship between sleep deprivation and behaviour, providing a solid background for future behavioural sleep deprivation experiments, improving their validity.

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Wierzbicka, Aleksandra, Katarzyna Szaulińska, Ewa Poradowska, Wojciech Jernajczyk, and Adam Wichniak. "REM behaviour sleep disorder – case study." Postępy Psychiatrii i Neurologii 26, no. 3 (2017): 194–202. http://dx.doi.org/10.5114/ppn.2017.70551.

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ELLIS, CATHY, GILBERT LEMMENS, and DAVID PARKES. "Pre-sleep behaviour in normal subjects." Journal of Sleep Research 4, no. 4 (December 1995): 199–201. http://dx.doi.org/10.1111/j.1365-2869.1995.tb00170.x.

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McKenna, F. P. "Can sleep habits predict driver behaviour?" European Review of Applied Psychology 64, no. 3 (May 2014): 97–100. http://dx.doi.org/10.1016/j.erap.2013.07.007.

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Kinsman, Rachel, Sara Owczarczak-Garstecka, Rachel Casey, Toby Knowles, Séverine Tasker, Joshua Woodward, Rosa Da Costa, and Jane Murray. "Sleep Duration and Behaviours: A Descriptive Analysis of a Cohort of Dogs up to 12 Months of Age." Animals 10, no. 7 (July 10, 2020): 1172. http://dx.doi.org/10.3390/ani10071172.

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Sleep is a vital behaviour that can reflect an animal’s adaptation to the environment and their welfare. However, a better understanding of normal age-specific sleep patterns is crucial. This study aims to provide population norms and descriptions of sleep-related behaviours for 16-week-old puppies and 12-month-old dogs living in domestic environments. Participants recruited to a longitudinal study answered questions relating to their dogs’ sleep behaviours in surveys issued to them when their dogs reached 16 weeks (n = 2332) and 12 months of age (n = 1091). For the statistical analysis, subpopulations of dogs with data regarding sleep duration at both timepoints were used. Owners of 16-week-old puppies perceived their dogs to sleep longer during the day and over a 24 h period, but for less time during the night than owners of 12-month-old dogs. At both timepoints, dogs were most commonly settled to sleep by being left in a room/area without human company. However, of dogs that had access to people overnight, 86.7% and 86.8% chose to be around people at 16 weeks and 12 months of age, respectively. The most common sleeping place was in a kennel/crate at 16 weeks (49.1%), and a dog bed at 12 months (31.7%). Future research within this longitudinal study will investigate how sleep duration and behaviours change with age and impact on a dog’s health and behaviour.

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Morrell, Julian M. B. "The Infant Sleep Questionnaire: A New Tool to Assess Infant Sleep Problems for Clinical and Research Purposes." Child Psychology and Psychiatry Review 4, no. 1 (February 1999): 20–26. http://dx.doi.org/10.1017/s1360641798001816.

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Most published questionnaires for infant sleep problems form part of general questionnaires looking at a wider range of infant behaviours. This paper evaluates the Infant Sleep Questionnaire (ISQ), a maternal self- report questionnaire designed specifically to assess sleeping behaviour in 12–18-month-old infants. The sensitivity and specificity of the ISQ as compared to maternal sleep diary measures is reported. The use of the ISQ for clinical and research purposes is discussed.

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Moore, Sarah A., Leigh M. Vanderloo, Catherine S. Birken, and Laurene A. Rehman. "Reimagining healthy movement in the era of the COVID-19 pandemic." Health Promotion and Chronic Disease Prevention in Canada 42, no. 4 (April 2022): 125–28. http://dx.doi.org/10.24095/hpcdp.42.4.01.

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Does the timing of when children, youth and adults participate in physical activity, sedentary behaviour (e.g. screen time) and sleep matter when it comes to their overall health? This special issue of Health Promotion and Chronic Disease Prevention in Canada includes four papers that present evidence and recommendations on the timing of movement behaviours: three separate systematic reviews exploring the associations between health indicators and the timing of physical activity, sedentary behaviour and sleep; and a commentary that discusses the importance of this evidence in terms of practice, policy and research. This editorial sets the stage for this special issue, reflecting on the challenges posed by COVID-19-related public health restrictions on healthy movement. Perhaps now is the optimal time to reimagine how and when we engage in physical activity, sedentary behaviour and sleep to support our health.

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Alfiyah, Siti Nur, F. Sri Susilaningsih, and Kurniawan Yudianto. "Adolescent Moslem Students Sleep Hygiene Behaviour Description At Pondok Pesantren." Journal of Nursing Care 1, no. 1 (February 12, 2018): 16. http://dx.doi.org/10.24198/jnc.v1i1.15760.

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School activities and socialization consume a lot of time for adolescents and leave a little time for adolescents to rest or sleep. Changes in environment, independence and changes in sleep patterns commonly occur for students who undergo pesantren activities, thus affecting the quantity and sleep quality of students. Sleep deprivation is associated with poor sleep hygiene behaviour. This study used descriptive quantitative method with single variable. Sampling technique used at this study is stratified random sampling. This study involved as many as 161 adolescent moslem students at the age of 11-20 years in Pondok Pesantren Darul Hikmah Tanjungmekar Tanjungkerta Sumedang Distric. Data collected by using Adolescent Sleep Hygiene Scale Questionnaire and analyzed by using mean value. The result of this study showed that more than half of the respondents had good sleep hygiene practices (68,3%). There are four aspects of adolescent moslem students sleep hygiene in good category : cognitive/emotional aspect, sleep environment aspect, sleep stability aspect and substance use aspect. Two aspects of sleep hygiene in bad category are in the daytime sleep aspect and bedtime routine aspects. Meanwhile physiological aspect and behavioural arousal aspect have an almost balance values. Monitoring moslem students sleep schedule not to exceed 24.00, providing separate room for moslem study self study, habits of toothbrush before bed, monitoring of cigarette use in cottage environment, not providing tea at dinner time, and monitoring of moslem students activity outside school or cottage Pesantren is a thing that should be attention.Keyword: Adolescent, moslem students, sleep hygiene. Gambaran Sleep Hygiene Santri Remaja Pondok PesantrenAbstrakAktivitas sekolah dan sosialisasi yang dilakukan oleh remaja mengakibatkan banyaknya waktu yang tersita dan hanya sedikit waktu yang disisakan untuk beristirahat ataupun tidur. Perubahan lingkungan, kemandirian dan perubahan pola tidur yang tajam biasa terjadi bagi siswa yang menjalani kegiatan pesantren, sehingga berpengaruh terhadap kuantitas dan kualitas tidur siswa. Kekurangan tidur ini berhubungan dengan buruknya perilaku sleep hygiene. Penelitian ini bertujuan untuk mengetahui gambaran 8 aspek sleep hygiene, serta gambaran sleep hygiene berdasarkan latar belakang demografi santri. Penelitian ini menggunakan desain deskriptif kuantitatif dengan variabel tunggal. Adapun teknik sampling yang digunakan yaitu stratified random sampling. Penelitian dilakukan terhadap 161 santri remaja usia 11-20 tahun di Pondok Pesantren Darul Hikmah Tanjungmekar Kecamatan Tanjungkerta Kabupaten Sumedang. Data dikumpulkan menggunakan kuesioner Adolescent Sleep Hygiene Scale serta dianalisis menggunakan nilai mean. Hasil penelitian ini menunjukkan bahwa sebanyak 68,3% responden memiliki praktik sleep hygiene yang baik. Aspek-aspek sleep hygiene santri yang berada dalam kategori baik terdapat pada aspek kognitif emosional, aspek lingkungan tidur, aspek stabilitas tidur dan aspek penggunaan substansi. Adapun 2 aspek sleep hygiene yang berada dalam kategori buruk terdapat pada aspek tidur siang dan aspek rutinitas sebelum tidur. Sedangkan aspek fisiologis dan aspek perilaku penggugah memiliki hasil yang hampir seimbang. Memantau jadwal tidur santri agar tidak melebihi pukul 24.00, menyediakan ruangan terpisah bagi santri untuk belajar mandiri, pembiasaan sikat gigi sebelum tidur, pemantauan penggunaan rokok di lingkungan pondok, tidak menyediakan teh pada saat jam makan malam, dan pemantauan kegiatan santri diluar jam sekolah ataupun pondok pesantren merupakan hal yang sebaiknya pengurus pondok pesantren perhatikan.Kata kunci : Remaja, santri, sleep hygiene.

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Zhou, Liche, Guanglu Li, Yuyao Zhang, Miao Zhang, Zhichun Chen, Lina Zhang, Xiaojin Wang, et al. "Increased free water in the substantia nigra in idiopathic REM sleep behaviour disorder." Brain 144, no. 5 (April 21, 2021): 1488–97. http://dx.doi.org/10.1093/brain/awab039.

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Abstract Imaging markers sensitive to neurodegeneration in the substantia nigra are critically needed for future disease-modifying trials. Previous studies have demonstrated the utility of posterior substantia nigra free water as a marker of progression in Parkinson’s disease. In this study, we tested the hypothesis that free water is elevated in the posterior substantia nigra of idiopathic REM sleep behaviour disorder, which is considered a prodromal stage of synucleinopathy. We applied free-water imaging to 32 healthy control subjects, 34 patients with idiopathic REM sleep behaviour disorder and 38 patients with Parkinson’s disease. Eighteen healthy control subjects and 22 patients with idiopathic REM sleep behaviour disorder were followed up and completed longitudinal free-water imaging. Free-water values in the substantia nigra were calculated for each individual and compared among groups. We tested the associations between posterior substantia nigra free water and uptake of striatal dopamine transporter in idiopathic REM sleep behaviour disorder. Free-water values in the posterior substantia nigra were significantly higher in the patients with idiopathic REM sleep behaviour disorder patients than in the healthy control subjects, but were significantly lower in patients with idiopathic REM sleep behaviour disorder than in patients with Parkinson’s disease. In addition, we observed significantly negative associations between posterior substantia nigra free-water values and dopamine transporter striatal binding ratios in the idiopathic REM sleep behaviour disorder patients. Longitudinal free-water imaging analyses were conducted with a linear mixed-effects model, and showed a significant Group × Time interaction in posterior substantia nigra, identifying increased mean free-water values in posterior substantia nigra of idiopathic REM sleep behaviour disorder over time. These results demonstrate that free water in the posterior substantia nigra is a valid imaging marker of neurodegeneration in idiopathic REM sleep behaviour disorder, which has the potential to be used as an indicator in disease-modifying trials.

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Shapiro, Colin M., Nikola N. Trajanovic, and J. Paul Fedoroff. "Sexsomnia—A New Parasomnia?" Canadian Journal of Psychiatry 48, no. 5 (June 2003): 311–17. http://dx.doi.org/10.1177/070674370304800506.

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Objective: To describe a distinct parasomnia involving sexual behaviour, which we have named sexsomnia. Method: We have used a case series as a basis for the description of sexsomina. Results: Eleven patients with distinct behaviours of the sexual nature during sleep are described. The features in common with other nonrapid eye movement arousal parasomnias, such as sleepwalking are documented. Some patients had simply been referred to a tertiary sleep clinic for investigation of unrelated sleep problems. A small number had been involved in medicolegal issues. Sexsomnia has some distinct features that separate it from sleepwalking. The automatic arousal is more prominent, motor activities are relatively restricted and specific, and some form of dream mentation is often present. Conclusions: A significant number of patients with this unusual parasomnic behaviour were identified only after specific questions were asked, suggesting that the behaviour is more common than previously thought.

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Soreq, Eyal, Magdalena Kolanko, Kiran Kumar Guruswamy Ravindran, Ciro Della Monica, Victoria Revell, Helen Lai, Payam Barnaghi, Paresh Malhotra, Deerk-Jan Dijk, and David Sharp. "042 Longitudinal assessment of sleep/wake behaviour in dementia patients living at home." Journal of Neurology, Neurosurgery & Psychiatry 93, no. 9 (August 12, 2022): e2.237. http://dx.doi.org/10.1136/jnnp-2022-abn2.86.

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IntroductionDisturbances of sleep/wake behaviour are amongst the most disabling symptoms of dementia, leading to increased carers’ burden and institutionalisation. The lack of unobtrusive, low- burden technologies validated to monitor sleep in patients living with dementia (PLWD) has prevented longitudinal studies of nocturnal disturbances and their correlates.AimsTo examine the effect of medication changes and clinical status on the intraindividual variation in sleep/wake behaviour in PLWD.MethodsUsing under-mattress pressure-sensing mat in 46 PLWD, we monitored sleep/wake behavioural metrics for 13,711 nights between 2019-2021. Machine learning and >3.6million nightly summaries from 13,671 individuals from the general population were used to detect abnormalities in PLWD’s nightly sleep/wake metrics and convert them to risk scores. Additionally, GP records were reviewed for each patient to determine whether medication changes and clinical events affected sleep parameters.ResultsPLWD’s went to bed earlier and rose later than sex- and age-matched controls. They had more nocturnal awakenings with longer out-of-bed durations. Notably, at the individual patient level, increased metric-specific risk scores were temporally related to changes in antipsychotics and antidepressants, and acute illness, including UTI, cardiac events, and depressive episodes.ConclusionsPassive monitoring of sleep/wake behaviours is a promising way to identify novel markers of disease progression and evaluate the effectiveness of pharmaceutical interventions in patients with dementia.

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De Craemer, Marieke, Duncan McGregor, Odysseas Androutsos, Yannis Manios, and Greet Cardon. "Compliance with 24-h Movement Behaviour Guidelines among Belgian Pre-School Children: The ToyBox-Study." International Journal of Environmental Research and Public Health 15, no. 10 (October 3, 2018): 2171. http://dx.doi.org/10.3390/ijerph15102171.

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The 24-h day—containing physical activity, sedentary behaviour and sleep—in pre-school children has not yet been extensively investigated. The aim of the current study was to investigate pre-schoolers’ compliance with the 24-h movement behaviour guidelines (i.e., three hours/day total physical activity, a maximum of one hour/day of screen time and 10–13 h sleep/night). In total, 595 pre-schoolers (53.3% boys, mean age: 4.2 years) provided complete data for the three behaviours. Physical activity was objectively measured with accelerometers, while screen time and sleep were parent-reported through questionnaires. The proportion of pre-schoolers complying with the 24-h movement behaviour guidelines was calculated on weekdays and on weekend days. Low compliance rates were found: 10.1% on weekdays and only 4.3% on weekend days. The majority of pre-schoolers complied with the sleep duration guidelines (>90% on weekdays and weekend days), followed by the screen time guidelines (61% on weekdays and 28% on weekend days). The lowest compliance rates were found for physical activity (<20% on weekdays and weekend days). Overall, low percentages of pre-schoolers complying with the 24-h movement behaviour guidelines were found, and the lowest compliance was found for physical activity.

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Bianchi, Darren, Dean J. Miller, and Michele Lastella. "Sleep–Wake Behaviour of 200-Mile Ultra-Marathon Competitors: A Case Study." International Journal of Environmental Research and Public Health 19, no. 5 (March 4, 2022): 3006. http://dx.doi.org/10.3390/ijerph19053006.

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The aim of this study was to examine the sleep–wake behaviour of 200-mile ultra-marathon runners before, during, and after a competition. A longitudinal, observational study was conducted to collect the sleep data of four (two females; mean age: 45.5 ± 3.1 years) runners competing in a 200-mile ultra-marathon (N = 4). Wrist-worn activity monitors, in conjunction with self-report sleep diaries, were used to measure sleep, beginning seven days prior to the race and concluding seven days following the race (2–19 June 2021). Descriptive analysis of runners’ subjective and objective sleep data was conducted. All runners completed the 200-mile event in an average of 82.5 ± 7.1 h. On average, runners obtained 4.7 ± 3.0 h of sleep from 4.8 ± 2.4 sleep episodes, averaging 59.9 ± 49.2 min of sleep per episode. Runners averaged 6.0 ± 1.3 h of sleep per night in the week before the competition and 6.3 ± 1.3 h per night in the week following the competition. Runners in the 200-mile (326 km) ultra-marathon drastically restricted their sleep. However, obtained sleep, the number of sleep episodes, and sleep episode length were greater than those previously reported with 100-mile (161 km) runners. In-race sleep data suggest an increased need for sleep as race duration increases. Interestingly, runners obtained less than the recommended ~8 h of sleep per night, in both pre-race and post-race phases of the competition.

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Okely, Anthony D., Mark S. Tremblay, John J. Reilly, Catherine E. Draper, and Fiona Bull. "Physical activity, sedentary behaviour, and sleep: movement behaviours in early life." Lancet Child & Adolescent Health 2, no. 4 (April 2018): 233–35. http://dx.doi.org/10.1016/s2352-4642(18)30070-1.

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Arora, Teresa. "0675 The Association Between Sleep Beliefs And Sleep Behaviour In University Students." Sleep 42, Supplement_1 (April 2019): A270. http://dx.doi.org/10.1093/sleep/zsz067.673.

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Duncan, Mitch J., Wendy J. Brown, Tracy L. Burrows, Clare E. Collins, Sasha Fenton, Nicholas Glozier, Gregory S. Kolt, et al. "Examining the efficacy of a multicomponent m-Health physical activity, diet and sleep intervention for weight loss in overweight and obese adults: randomised controlled trial protocol." BMJ Open 8, no. 10 (October 2018): e026179. http://dx.doi.org/10.1136/bmjopen-2018-026179.

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IntroductionTraditional behavioural weight loss trials targeting improvements in physical activity and diet are modestly effective. It has been suggested that sleep may have a role in weight loss and maintenance. Improving sleep health in combination with physical activity and dietary behaviours may be one strategy to enhance traditional behavioural weight loss trials. Yet the efficacy of a weight loss intervention concurrently targeting improvements in physical activity, dietary and sleep behaviours remains to be tested.Methods and analysisThe primary aim of this three-arm randomised controlled trial is to examine the efficacy of a multicomponent m-Health behaviour change weight loss intervention relative to a waitlist control group. The secondary aims are to compare the relative efficacy of a physical activity, dietary behaviour and sleep intervention (enhanced intervention), compared with a physical activity and dietary behaviour only intervention (traditional intervention), on the primary outcome of weight loss and secondary outcomes of waist circumference, glycated haemoglobin, physical activity, diet quality and intake, sleep health, eating behaviours, depression, anxiety and stress and quality of life. Assessments will be conducted at baseline, 6 months (primary endpoint) and 12 months (follow-up). The multicomponent m-Health intervention will be delivered using a smartphone/tablet ‘app’, supplemented with email and SMS and individualised in-person dietary counselling. Participants will receive a Fitbit, body weight scales to facilitate self-monitoring, and use the app to access educational material, set goals, self-monitor and receive feedback about behaviours. Generalised linear models using an analysis of covariance (baseline adjusted) approach will be used to identify between-group differences in primary and secondary outcomes, following an intention-to-treat principle.Ethics and disseminationThe Human Research Ethics Committee of The University of Newcastle Australia provided approval: H-2017–0039. Findings will be disseminated via publication in peer-reviewed journals, conference presentations, community presentations and student theses.Trial registration numberACTRN12617000735358; UTN1111-1219-2050.

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Ross, Robert, Jean-Philippe Chaput, Lora M. Giangregorio, Ian Janssen, Travis J. Saunders, Michelle E. Kho, Veronica J. Poitras, et al. "Canadian 24-Hour Movement Guidelines for Adults aged 18–64 years and Adults aged 65 years or older: an integration of physical activity, sedentary behaviour, and sleep." Applied Physiology, Nutrition, and Metabolism 45, no. 10 (Suppl. 2) (October 2020): S57—S102. http://dx.doi.org/10.1139/apnm-2020-0467.

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The Canadian Society for Exercise Physiology assembled a Consensus Panel representing national organizations, content experts, methodologists, stakeholders, and end-users and followed an established guideline development procedure to create the Canadian 24-Hour Movement Guidelines for Adults aged 18–64 years and Adults aged 65 years or older: An Integration of Physical Activity, Sedentary Behaviour, and Sleep. These guidelines underscore the importance of movement behaviours across the whole 24-h day. The development process followed the strategy outlined in the Appraisal of Guidelines for Research and Evaluation (AGREE) II instrument. A large body of evidence was used to inform the guidelines including 2 de novo systematic reviews and 4 overviews of reviews examining the relationships among movement behaviours (physical activity, sedentary behaviour, sleep, and all behaviours together) and several health outcomes. Draft guideline recommendations were discussed at a 4-day in-person Consensus Panel meeting. Feedback from stakeholders was obtained by survey (n = 877) and the draft guidelines were revised accordingly. The final guidelines provide evidence-based recommendations for a healthy day (24-h), comprising a combination of sleep, sedentary behaviours, and light-intensity and moderate-to-vigorous-intensity physical activity. Dissemination and implementation efforts with corresponding evaluation plans are in place to help ensure that guideline awareness and use are optimized. Novelty First ever 24-Hour Movement Guidelines for Adults aged 18–64 years and Adults aged 65 years or older with consideration of a balanced approach to physical activity, sedentary behaviour, and sleep Finalizes the suite of 24-Hour Movement Guidelines for Canadians across the lifespan

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KRACZLA, Magdalena. "Managers’ sleep deficit and stress-coping strategies in contemporary organisations – empirical analysis." Scientific Papers of Silesian University of Technology. Organization and Management Series 2021, no. 154 (2021): 103–19. http://dx.doi.org/10.29119/1641-3466.2021.154.9.

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Purpose: This article seeks to establish whether there is a relationship between the amount of sleep managers have per night and their behaviour when in stressful situations, with particular reference to their choice of coping strategy. Design/methodology/approach: In order to establish the relationship between managers’ sleep duration and their preferred styles of coping with stress, two specific research tools were employed: a Polish adaptation of the Coping Inventory for Stressful Situations (CISS) and the author’s own questionnaire assessing respondents’ daily hours of sleep. Findings: The research showed that as a variable, sleep deficit is not sufficient to explain the behaviour of managers in situations of emotional stress. However, when treated as an independent variable, sleep duration can be used to identify certain interesting behavioural aspects of managers in their professional environment. Research limitations/implications: It is advisable to extend the research to include a larger research group and to distinguish other variables specific to the functioning of people in managerial positions. Practical implications: The lack of any correlation between the extent of sleep deprivation and behaviours aimed at reducing stress may indicate that these behaviours stem more from specific individual factors (e.g. gender or age) and environmental conditions rather than sleep duration. Identifying these conditions and understanding how they can be modified may help to shape the well-being of managers and their employees. Social implications: If organisations factored sleep duration into their work/health equation, this would help direct their efforts towards ensuring the well-being of their managers, which would lead to increased efficiency and performance. Originality/value: Sleep duration does not appear to be a variable that sufficiently explains the coping strategies employed by managers, as these are more influenced by age and gender, for example. The research showed that the group of managers analysed here did not meet the recommended standards of eight hours sleep a day, with sleep duration being heavily dependent on the respondents’ age.

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Chung, K. F., and Michael T. H. Wong. "Rapid Eye Movement Sleep Behaviour Disorder in a Chinese Male." Australian & New Zealand Journal of Psychiatry 28, no. 1 (March 1994): 144–46. http://dx.doi.org/10.3109/00048679409075857.

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A case of rapid eye movement (REM) sleep behaviour disorder (RBD) is reported. The features and treatment of RBD are discussed and the importance of sleep laboratory evaluation on injury during sleep is highlighted.

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Zhang, Shu-E., Wenhui Liu, Jinghui Wang, Yu Shi, Fengzhe Xie, Shuang Cang, Tao Sun, and Lihua Fan. "Impact of workplace violence and compassionate behaviour in hospitals on stress, sleep quality and subjective health status among Chinese nurses: a cross-sectional survey." BMJ Open 8, no. 10 (October 2018): e019373. http://dx.doi.org/10.1136/bmjopen-2017-019373.

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ObjectivesThe aim of this study is to describe the current state of workplace violence (WPV) and compassionate behaviour towards nurses and to explain how they affect nurses’ stress, sleep quality and subjective health status.DesignA cross-sectional online survey study.SettingThe survey was conducted across eight provinces in China.ParticipantsA total of 1024 nurses were recruited to complete an online questionnaire survey from February to May 2016 in China.ResultsApproximately 75.4% participants had experienced some form of violence. Most of the participants experienced WPV such as verbal violence (65.2%), made difficulties (54.5%), tarnished reputation (37.5%), mob behaviour (34.9%), intimidation behaviour (18.8%), physical violence (14.6%) and sexual harassment (5.9%). In this study, 92.4% participants experienced compassionate behaviour from their coworkers (84.9%), supervisors (67.3%), and from their patients (65.3%). The results show that the exposure to WPV behaviour significantly affected the psychological stress (β=0.295, p<0.01), sleep quality (β=−0.198, p<0.01) and subjective health status (β=−0.252, p<0.01) of nurses. The exposure to compassionate behaviour significantly affected the psychological stress (β=−0.229, p<0.01), sleep quality (β=0.326, p<0.01) and subjective health status (β=0.342, p<0.01) of nurses. The results of the mediation analysis showed that psychological stress is a partial mediator in the relationship between violence and sleep quality (β=−0.458, p<0.01) and between violence and subjective health (β=−0.425, p<0.01). Moreover, psychological stress also partially mediated the relationship between compassionate behaviour and sleep quality (β=−0.473, p<0.01), and between compassionate behaviour and subjective health (β=−0.405, p<0.01).ConclusionIn China, most nurses have experienced different forms of WPV from patients and/or their relatives, as well as experiencing various forms of compassionate behaviour from their coworkers, supervisors and/or patients. This study investigates the prevalence of the different types of WPV and compassionate behaviour. Several aspects of harm to nurses from exposure to violence is confirmed. We found that WPV can damage nurses’ health outcomes, while compassionate behaviours were beneficial to their health outcomes. A harmonious nursing environment should be provided to minimise threats to nurses’ health status.

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Journal articles on the topic 'Sleep Behaviour'

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