Sleep Health最新文献

{"title":"Behavioral and sociodemographic correlates of sleep duration among children in Samoa","authors":"Tayla von Ash ScD, MPH ,&nbsp;Courtney C. Choy PhD, MPH ,&nbsp;Shira Dunsiger PhD ,&nbsp;Christina Soti-Ulberg MS ,&nbsp;Dongqing Wang PhD, MPH ,&nbsp;Muagututia S. Reupena MA ,&nbsp;Rachel L. Duckham PhD ,&nbsp;Take Naseri MBBS, MPH ,&nbsp;Nicola L. Hawley PhD","doi":"10.1016/j.sleh.2024.10.009","DOIUrl":"10.1016/j.sleh.2024.10.009","url":null,"abstract":"<div><h3>Objectives</h3><div>To describe sleep duration, adherence to sleep recommendations, and behavioral and sociodemographic correlates of sleep among Samoan children.</div></div><div><h3>Methods</h3><div>In a longitudinal cohort study of Samoan children aged 2-9<!--> <!-->years (n = 481; 50% female), primary caregivers reported usual number of hours of nighttime sleep during 2015, 2017/2018, and 2019/2020 data collection waves. Associations between behavioral and sociodemographic characteristics and sleep duration were assessed using generalized linear and mixed effect regressions.</div></div><div><h3>Results</h3><div>Average reported hours of nighttime sleep for toddlers (age 2) was 9.7 ± 1.1 (SD); for preschoolers (age 3-5) 9.5 ± 1.0, and for school-age children (age 6-9) 9.4 ± 1.3, with 58% of children meeting sleep recommendations. Living in a lower income household was associated with 30 more minutes of sleep for toddlers (adjusted β:0.56 [95% CI: 0.03, 1.09]) and preschoolers (adjusted β:0.51 [95% CI: 0.17, 0.85]), while higher reported physical activity was associated with longer sleep for school-age children (adjusted β:0.49 [95% CI: 0.08, 0.91]). Preschoolers with a primary caregiver who did not complete high school had shorter sleep (β: −<!--> <!-->0.80 [95% CI: −<!--> <!-->1.12, −<!--> <!-->0.48]). Among school-aged children, shorter sleep was associated with greater total carbohydrate intake (for every 100 g/day, β: −<!--> <!-->0.01 [95% CI: −<!--> <!-->0.02, 0.01]) and neotraditional dietary pattern adherence (β: −<!--> <!-->0.27 [95% CI: −<!--> <!-->0.53, −<!--> <!-->0.01]).</div></div><div><h3>Conclusions</h3><div>Efforts should be made to encourage adequate sleep among Samoan children. Correlates of sleep were largely consistent with existing literature. Future research should examine additional culturally and contextually-specific risk factors for insufficient sleep in Samoa and consequences for child health.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 57-64"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142927367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Disparities in sleep among diverse adolescents in two large statewide samples: A need for intersectional interventions","authors":"André Gonzales Real MD, MS ,&nbsp;Brian T. Gillis PhD, LMFT ,&nbsp;Amy L. Gower PhD ,&nbsp;Marla E. Eisenberg ScD, MPH ,&nbsp;Benjamin Parchem PhD ,&nbsp;Samantha E. Lawrence PhD ,&nbsp;Stephen T. Russell PhD","doi":"10.1016/j.sleh.2024.09.009","DOIUrl":"10.1016/j.sleh.2024.09.009","url":null,"abstract":"<div><h3>Objectives</h3><div>Examine very short sleep among adolescents across multiple intersecting social positions and experiences of sexual orientation-based bullying and cyberbullying in two statewide samples.</div></div><div><h3>Methods</h3><div>A harmonization of two large statewide school-based datasets from grades 9-12 (2019 Minnesota Student Survey, and 2018-2019 California Healthy Kids Survey) was utilized for the analysis (<em>N</em> = 379,710). Exhaustive chi-square automatic interaction detection (an approach for quantitative intersectionality research) explored variability in very short sleep (≤5 hours/night) among adolescents from multiple intersecting social positions (race/ethnicity, gender identity, sexual orientation, and sex assigned at birth), grade, state, and two types of bullying experiences (sexual orientation-based bullying and cyberbullying). Intersectional groups reporting the highest prevalence of very short sleep were identified. We compared very short sleep rates among adolescents from the same social positions who experienced bullying with those who did not experience bullying.</div></div><div><h3>Results</h3><div>Very short sleep was common among this sample of adolescents (19.2%), especially among those holding multiple marginalized social positions (36.9%-51.4%). Adolescents who were transgender or gender diverse or questioning gender identity, and with minoritized sexual and racial/ethnic identities were overrepresented among high prevalence groups of very short sleep. Bullying experiences were reported by all highest prevalence groups. Adolescents who were bullied had 24.9%-51.3% higher rates of very short sleep than adolescents from the same intersecting social positions who were not bullied.</div></div><div><h3>Conclusions</h3><div>Very short sleep is pervasive among marginalized adolescents. Findings suggest that victimization contributes to adolescents’ very short sleep rates. Individual-level interventions may fall short of promoting better sleep among adolescents; systemic interventions addressing bullying are needed.</div></div><div><h3>Clinical trial registration</h3><div>N/A.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 40-47"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142630698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Longitudinal association between adolescent sexual identity and sleep quality: The mediating roles of peer victimization and perceived social support","authors":"Misol Kwon PhD, RN ,&nbsp;Jennifer A. Livingston PhD ,&nbsp;Weijun Wang PhD ,&nbsp;Amy L. Hequembourg PhD","doi":"10.1016/j.sleh.2024.09.012","DOIUrl":"10.1016/j.sleh.2024.09.012","url":null,"abstract":"<div><h3>Objective</h3><div>Despite growing evidence of disparities in sleep quality between sexual minoritized and heterosexual youth, the reasons for these disparities are not well understood. LGBQ+ adolescents often experience challenging peer relationships, which could negatively impact their sleep quality. The current study examined the prospective relationship between sexual minority status and sleep quality over 12<!--> <!-->months and evaluated whether peer victimization and social support at 6<!--> <!-->months mediated this relationship among adolescents.</div></div><div><h3>Methods</h3><div>This study involved a secondary analysis of data from a community sample of 800 adolescents (57.5% female; <em>M</em>_age <!-->=<!--> <!-->14.42<!--> <!-->years, <em>SD</em> <!-->=<!--> <!-->0.83). Data were collected using web-based surveys over 12<!--> <!-->months with three time-points: baseline, 6-, and 12-month.</div></div><div><h3>Results</h3><div>Approximately 19.4% of adolescents self-identified as LGBQ+. Compared to heterosexual adolescents, LGBQ+ adolescents reported poorer global sleep quality, lower perceived social support, greater peer victimization, childhood victimization, and were more likely to be female (all <em>p</em>s &lt; .001). In a longitudinal, parallel mediation analysis adjusting for baseline age, gender, global sleep quality, and childhood victimization, LGBQ+ adolescents reported higher rates of peer victimization (<em>b</em> <!-->=<!--> <!-->0.262 [0.049], <em>p</em> &lt; .001) and less social support (<em>b</em> <!-->=<!--> <!-->−<!--> <!-->0.385 [0.146], <em>p</em> = .008) at 6<!--> <!-->months compared with heterosexual peers, predicting poor global sleep quality (<em>b</em> <!-->=<!--> <!-->0.495 [0.191], <em>p</em> = .010 for peer victimization and <em>b</em> <!-->=<!--> <!-->−<!--> <!-->0.161 [0.068], <em>p</em> = .018 for social support) at 12<!--> <!-->months.</div></div><div><h3>Conclusion</h3><div>These findings highlight that sexual minority adolescents face increased risks of peer victimization and reduced social support from peers, which contribute to poorer sleep quality. The findings may guide the development of adolescent sleep interventions that also improve social health and relationships.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 25-32"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142630703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The impact of idiopathic hypersomnia on the social lives of young adults","authors":"Ryan D. Davidson PhD ,&nbsp;Margaret Blattner MD, PhD ,&nbsp;Thomas E. Scammell MD ,&nbsp;Eric S. Zhou PhD","doi":"10.1016/j.sleh.2024.10.006","DOIUrl":"10.1016/j.sleh.2024.10.006","url":null,"abstract":"<div><h3>Objectives</h3><div>People with idiopathic hypersomnia report significant impairment in their lives due to idiopathic hypersomnia symptoms, and this likely includes an impact on social relationship health. This study investigated the effects of idiopathic hypersomnia on social relationships (friends, romantic, and sexual) during the key developmental period of young adulthood.</div></div><div><h3>Methods</h3><div>Young adults (N = 106; 18-39<!--> <!-->years) with idiopathic hypersomnia were recruited through national hypersomnia patient organizations. Participants completed an online survey assessing the impact of symptoms on overall social functioning, as well as assessing friendships, romantic relationships, and sexual relationships.</div></div><div><h3>Results</h3><div>Nearly all participants (98%) reported that idiopathic hypersomnia made their social life more challenging. Over half (56%) felt they had too few close friends. While 69% were currently in a romantic relationship, the majority (92%) reported that idiopathic hypersomnia made it more challenging to enter a romantic relationship, with 89% stating that it impacted their sex life. Symptoms with the greatest perceived impact on social relationships were excessive sleepiness, brain fog, and long sleep. Most participants expressed that they would like their clinicians to ask about their social lives.</div></div><div><h3>Conclusions</h3><div>Idiopathic hypersomnia substantially impacts the social lives of young adults, including friendships, romantic partnerships, and sex lives. Despite the importance of social relationships, clinicians seldom address this topic during clinic visits. When considering whole person health for people with idiopathic hypersomnia, clinical care would benefit from more attention to social health.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 113-119"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142916028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dreamscapes in sound: A contemporary analysis of dreams portrayed in 19th and 20th century classical music","authors":"Peter Sykes (Guest Contributor),&nbsp;Meir Kryger MD (Art Editor)","doi":"10.1016/j.sleh.2025.01.009","DOIUrl":"10.1016/j.sleh.2025.01.009","url":null,"abstract":"","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 1-3"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143228072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between infant sleep and neurodevelopment in a prospective birth cohort study","authors":"Xianxian Zhu MPH ,&nbsp;Yingying Zhang MM ,&nbsp;Bo Yang MPH ,&nbsp;Ming Gan MPH ,&nbsp;Weiting Wang MPH ,&nbsp;Yiqun Xu PhD ,&nbsp;Jinghan Wang PhD ,&nbsp;Yanjie Zhang PhD ,&nbsp;Yuting Peng MPH ,&nbsp;Huixin Xue MPH ,&nbsp;Shuxin Xiao MPH ,&nbsp;Hong Lv PhD ,&nbsp;Lei Huang PhD ,&nbsp;Xin Xu PhD ,&nbsp;Shuifang Lei PhD ,&nbsp;Tao Jiang PhD ,&nbsp;Yangqian Jiang PhD ,&nbsp;Hongxia Ma MD, PhD ,&nbsp;Chunjian Shan MM ,&nbsp;Jiangbo Du PhD ,&nbsp;Yuan Lin MD, PhD","doi":"10.1016/j.sleh.2024.09.011","DOIUrl":"10.1016/j.sleh.2024.09.011","url":null,"abstract":"<div><h3>Objectives</h3><div>To investigate the association of infant sleep and sleep trajectories through the first year of life with infant neurodevelopment.</div></div><div><h3>Methods</h3><div>This study was conducted with 3251 infants in China. Sleep parameters were evaluated by the Brief Infant Sleep Questionnaire at 42<!--> <!-->days, 6<!--> <!-->months, and 1<!--> <!-->year of age. Neurodevelopment was evaluated at 1<!--> <!-->year of age using the Bayley Scales of Infant and Toddler Development, Third Edition. The latent variable growth curve model was used to evaluate the developmental trajectories of infant sleep, including total sleep duration trajectories, night awakening trajectories and sleep onset latency trajectories. Poisson regression was applied to assess the association between sleep parameters and sleep trajectories and infant neurodevelopment.</div></div><div><h3>Results</h3><div>Infants with frequent night awakenings at 6<!--> <!-->months had a higher risk of nonoptimal gross motor development. Additionally, infants with prolonged sleep onset latency at 1<!--> <!-->year had an increased risk of nonoptimal fine and gross motor development. A consistent frequent night-awakening trajectory increased the risk of nonoptimal gross motor development (adjusted relative risk, 1.52; 95% confidence interval, 1.09 to 2.10). Furthermore, an increasing trajectory in sleep onset latency was associated with an increased risk of nonoptimal fine (adjusted relative risk, 2.70; 95% confidence interval, 1.12 to 6.51) and gross motor development (adjusted relative risk, 2.76; 95% confidence interval, 1.70 to 4.48). However, no significant association was observed between total sleep duration, or its trajectory, and infant neurodevelopment.</div></div><div><h3>Conclusions</h3><div>Sleep problems or specific sleep trajectories during the initial year of life may increase risk of compromised neurodevelopment.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 48-56"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142630696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Drowsy driving prevalence and beliefs among a nationally representative US sample: A report from the National Sleep Foundation","authors":"Joseph M. Dzierzewski PhD ,&nbsp;Spencer A. Nielson MS","doi":"10.1016/j.sleh.2024.10.008","DOIUrl":"10.1016/j.sleh.2024.10.008","url":null,"abstract":"<div><h3>Objectives</h3><div>Drowsy driving is a preventable form of impaired driving, represents a large public health concern, and accounts for a significant proportion of motor vehicle crashes, injuries, and deaths. There is a limited body of research documenting the prevalence and frequency of drowsy driving, alongside the public’s perceptions and attitudes surrounding drowsy driving. The overarching goal of the present study was to document the prevalence, frequency, perceptions, attitudes, and associated sleep behaviors and beliefs related to drowsy driving.</div></div><div><h3>Methods</h3><div>The National Sleep Foundation conducted a national online survey of 1012 adults via the probability-based Ipsos Public Affairs KnowledgePanel. The survey was conducted in either English or Spanish, depending on participant preferred language. Respondents answered questions about the occurrence of drowsy driving, attitudes and beliefs about drowsy driving, and habitual sleep duration.</div></div><div><h3>Results</h3><div>Results indicated that the majority of US adults (95%) perceived drowsy driving as a risk; however, the lifetime prevalence of drowsy driving was high—62% of all drivers reported driving while so tired that they had a hard time keeping their eyes open. Individuals who obtained the NSF recommended sleep duration drove while drowsy less frequently.</div></div><div><h3>Conclusions</h3><div>Drowsy driving is a preventable and common behavior at the intersection of sleep health and public safety. Drivers who get adequate nighttime sleep are less likely to drive while they are so tired that they have a hard time keeping their eyes open. Public health campaigns encouraging adequate sleep to drive alert are needed.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 7-13"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142630700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Associations of sleep duration and weekend catch up sleep with cancer risk among US adults in the Cancer Prevention Study-3 cohort","authors":"Sidney M. Donzella MPH ,&nbsp;Trang VoPham PhD ,&nbsp;Alpa V. Patel PhD ,&nbsp;Marjorie L. McCullough ScD ,&nbsp;Amanda I. Phipps PhD ,&nbsp;Charlie Zhong PhD","doi":"10.1016/j.sleh.2024.10.011","DOIUrl":"10.1016/j.sleh.2024.10.011","url":null,"abstract":"<div><h3>Objective</h3><div>Our objective was to investigate the associations of sleep duration and weekend catch-up sleep with cancer risk among US adults in the Cancer Prevention Study-3.</div></div><div><h3>Methods</h3><div>Cancer Prevention Study-3 is a prospective cohort of approximately 250,000 US adults aged 30-65<!--> <!-->years. At baseline (2006-2013), participants were asked to report their average daily sleep duration over the past year for weekdays and weekends separately. Using the midpoint of each sleep duration category, a 5:2 weekday:weekend weighted average was created. Weekend catch-up sleep was calculated using the difference of weekend and weekday sleep duration category midpoints and categorized as −4 or −2, 0, 2, and 4 hours. Cancer incidence (overall and female breast) was determined via linkage to state registries; follow-up time ended at the time of cancer diagnosis, time of death, or end of follow-up (12/31/2018). We used multivariable Cox proportional hazards models to estimate adjusted hazard ratios and 95% confidence intervals for the associations of sleep duration and weekend catch-up sleep with cancer risk adjusted for sociodemographics, socioeconomic status, comorbidities, and lifestyle behaviors.</div></div><div><h3>Results</h3><div>A total of 10,256 incident cancer cases were reported among the 248,086 participants included in the study. We found no statistically significant associations between the examined sleep characteristics with overall or breast cancer-specific risk.</div></div><div><h3>Conclusion</h3><div>Our research strengthens the existing null findings of the association between sleep duration and cancer risk. This was the first study to investigate the relationship of weekend catch-up sleep with cancer risk and more research is necessary to further elucidate this relationship.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 105-112"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142878267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cover 2: Editorial Board","authors":"","doi":"10.1016/S2352-7218(25)00003-8","DOIUrl":"10.1016/S2352-7218(25)00003-8","url":null,"abstract":"","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Page IFC"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143228073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence of social jetlag and associated factors in Brazilian adolescents: Results from a country-wide cross-sectional study","authors":"Nina Nayara Ferreira Martins MSc ,&nbsp;Arnaldo Luis Mortatti PhD ,&nbsp;Beatriz D Schaan MD, PhD ,&nbsp;Felipe Vogt Cureau PhD","doi":"10.1016/j.sleh.2024.10.001","DOIUrl":"10.1016/j.sleh.2024.10.001","url":null,"abstract":"<div><h3>Objectives</h3><div>Social jetlag is a disturbance in the circadian rhythm caused by a desynchronization between an individual's biological rhythm and social commitments and responsibilities. It leads to sleep debt during the week and compensation on weekends. Social jetlag is associated with an increased risk of chronic diseases and cognitive dysfunction in adolescents. This study aims to assess the prevalence of social jetlag and associated factors in Brazilian adolescents.</div></div><div><h3>Methods</h3><div>Adolescents of both sexes, aged between 12 and 17<!--> <!-->years, participating in the Study of Cardiovascular Risks in Adolescents (ERICA), were included. The sleep duration on a typical weekday and weekend day was collected through a self-reported questionnaire. The occurrence of social jetlag was defined as the difference between the midpoint of sleep on weekends and weekdays, with differences equal to or higher than 1<!--> <!-->hour considered as an indicator of positive social jetlag. Factors associated with the prevalence of social jetlag were investigated using Poisson regression models.</div></div><div><h3>Results</h3><div>The sample included a total of 64,029 adolescents. Social jetlag affects more than 80% of Brazilian adolescents, with higher prevalence among girls in the age group of 16-17<!--> <!-->years, with white skin color, attending private schools, and those having morning classes. Additionally, unhealthy risk behaviors such as skipping breakfast, alcohol consumption, and increased screen time are associated with a higher prevalence of social jetlag.</div></div><div><h3>Conclusion</h3><div>The prevalence of social jetlag was high in Brazilian adolescents, and, among its associated factors, studying in the morning shift and engaging in unhealthy risk behaviors stand out.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"11 1","pages":"Pages 65-72"},"PeriodicalIF":3.4,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142630706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}