Sleep HealthPub Date : 2026-08-20DOI: 10.1016/j.sleh.2026.08.005
Lauren Hale, Caitlyn Tabor
{"title":"Sleep security as a precondition for human flourishing.","authors":"Lauren Hale, Caitlyn Tabor","doi":"10.1016/j.sleh.2026.08.005","DOIUrl":"https://doi.org/10.1016/j.sleh.2026.08.005","url":null,"abstract":"","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148799812","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}
Sleep HealthPub Date : 2026-08-20DOI: 10.1016/j.sleh.2026.07.007
Chang Hu, Wen Liu, Min Wu, Xi Wang, Yingming Gao
{"title":"The longitudinal association between physical activity and insomnia symptoms among Chinese adolescents: The mediating role of maladaptive cognitive emotion regulation and the moderating role of sex.","authors":"Chang Hu, Wen Liu, Min Wu, Xi Wang, Yingming Gao","doi":"10.1016/j.sleh.2026.07.007","DOIUrl":"https://doi.org/10.1016/j.sleh.2026.07.007","url":null,"abstract":"<p><strong>Objectives: </strong>Adolescent insomnia symptoms are associated with a range of adverse outcomes. Physical activity and maladaptive cognitive emotion regulation have been associated with insomnia symptoms, yet the longitudinal relationships among these constructs remain insufficiently understood. This study examined longitudinal associations between physical activity and insomnia symptoms across time, explored the mediating role of maladaptive cognitive emotion regulation, and tested potential sex differences among Chinese adolescents.</p><p><strong>Methods: </strong>A 3-wave longitudinal design was employed. Participants were 1988 Chinese adolescents (54.5% boys; baseline mean age = 13.79, SD = 1.18). Cross-lagged panel analyses (CLPM), random-intercept CLPM (RI-CLPM), and multi-group analyses were conducted.</p><p><strong>Results: </strong>CLPM indicated that physical activity and insomnia symptoms showed modest reciprocal associations. In the RI-CLPM, however, only the path from physical activity to later insomnia symptoms remained significant. Maladaptive cognitive emotion regulation represented a small indirect pathway from physical activity to later insomnia symptoms, whereas the reverse mediation pathway was not supported. Some cross-lagged paths involving maladaptive cognitive emotion regulation differed by sex: physical activity at T1 predicted maladaptive cognitive emotion regulation at T2 among females but not males, whereas maladaptive cognitive emotion regulation at T2 predicted higher insomnia symptoms at T3 among males but not females. The mediation effect was not significant in either sex group.</p><p><strong>Conclusions: </strong>This study provides longitudinal evidence linking physical activity, maladaptive cognitive emotion regulation, and insomnia symptoms. Maladaptive cognitive emotion regulation may represent a small but significant pathway from physical activity to later insomnia symptoms. These findings suggest that physical activity may be relevant to adolescent insomnia symptoms partly through lower maladaptive cognitive emotion regulation, although the effect was modest and should be interpreted cautiously.</p>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148799795","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}
Sleep HealthPub Date : 2026-08-11DOI: 10.1016/j.sleh.2026.07.001
Sarah Burkart, Elizabeth L Adams, Michael W Beets, Olivia Plenzler, Madeline Mikes, Carmen R White, Griffin A T Randolph, Meghan Savidge, Christopher D Pfledderer, Bridget Armstrong, R Glenn Weaver, Mark D Weist, Ronald J Prinz
{"title":"Teacher and parent insight into the development of a combined school- and home-based sleep promotion program for young children.","authors":"Sarah Burkart, Elizabeth L Adams, Michael W Beets, Olivia Plenzler, Madeline Mikes, Carmen R White, Griffin A T Randolph, Meghan Savidge, Christopher D Pfledderer, Bridget Armstrong, R Glenn Weaver, Mark D Weist, Ronald J Prinz","doi":"10.1016/j.sleh.2026.07.001","DOIUrl":"https://doi.org/10.1016/j.sleh.2026.07.001","url":null,"abstract":"<p><strong>Purpose: </strong>Healthy sleep habits are important when children transition from variable preschool environments to a more structured elementary school setting. However, few studies have harnessed the unique partnership between teachers and parents in preventing suboptimal child sleep. This study aimed to engage key community partners (i.e., 4K & 5K teachers and parents) in developing a combined school- and home-based sleep promotion program for young children (4-6 years old).</p><p><strong>Methods: </strong>Teachers (n=34, 100% female, 12.4±9.0 years' experience) from 2 school districts participated in semistructured focus groups or phone interviews (n=26 teachers in 3 focus groups; n=8 interviews), while parents (n=61, 97% female, age=33.1 ± 5.1 years) completed an online semistructured survey to inform the development of a sleep promotion program. Transcripts were independently coded using an inductive approach and consensus coding. Themes were generated using constant-comparison methods. Survey results were summarized using descriptive statistics.</p><p><strong>Results: </strong>Four key themes emerged from teachers' perspectives: 1) suboptimal sleep impacts children during the school day across multiple domains, (2) several barriers to adequate sleep exist, 3) parent-teacher interactions about sleep are complex and require unique approaches, and 4) a sleep program must fit within parent and teacher needs. Teachers noted leveraging the parent-teacher relationship may increase parent buy-in. Parents reported challenges with their child's sleep and conveyed interest in a tailored sleep promotion program during 4K.</p><p><strong>Conclusions: </strong>Teachers are concerned about suboptimal child sleep and are invested in working with parents to support healthy sleep habits. A sleep promotion program that encompasses collaboration between the school and home environment would be well-received by families of young children. Findings will inform future content, engagement strategies, and delivery mode.</p>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148714228","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}
Sleep HealthPub Date : 2026-08-10DOI: 10.1016/j.sleh.2026.06.004
Dana Zarhin
{"title":"Sleeping under fire: Jewish and Muslim Israelis' experiences of sleep during wartime.","authors":"Dana Zarhin","doi":"10.1016/j.sleh.2026.06.004","DOIUrl":"https://doi.org/10.1016/j.sleh.2026.06.004","url":null,"abstract":"<p><strong>Objectives: </strong>Over the past 2 decades, armed conflicts have intensified globally, disrupting everyday life for those in affected areas. While some studies have suggested that civilians' sleep is negatively impacted, little is known about how civilians themselves experience and explain these sleep disruptions. This exploratory study uses the armed conflict in Israel as a case study to advance understanding of the lived dynamics through which conflict affects sleep.</p><p><strong>Methods: </strong>This article draws on a reflexive thematic analysis of focus groups with Muslim and Jewish men and women from Israel's northern and southern regions.</p><p><strong>Results: </strong>Most participants reported a decline in both sleep quality and quantity, attributing this decline to 5 interrelated factors: fear for their own safety and that of family members; sensory and spatiotemporal disruptions, including acoustic triggers and repeated shelter seeking; relational dynamics, particularly children's sleep, which affected parents; spatial dislocation through relocation and displacement; and economic insecurity marked by worry, uncertainty, and material hardship.</p><p><strong>Conclusions: </strong>By showing that sleep is a deeply sociopolitical experience, the study contributes to scholarly understandings of sleep during conflict and, more broadly, to research on the social determinants of sleep. The study underscores the need for further research and for policies and interventions to mitigate the profound impacts of armed conflict on sleep, while recognizing the limits of such efforts under conditions of ongoing armed conflict.</p>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2026-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148708129","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}
Sleep HealthPub Date : 2026-08-01Epub Date: 2026-06-12DOI: 10.1016/j.sleh.2026.05.003
Justine Camp (PhD), T. Russell-Camp (BMVA), T. Ellison (MA), S. MacDonald (PGDipTeach), L. Fangupo (PhD), J.J. Haszard (PhD), R. Richards (PhD), R.W. Taylor (PhD)
{"title":"Family rituals, sleep, and well-being in Moemoeā: A Māori-led intervention","authors":"Justine Camp (PhD), T. Russell-Camp (BMVA), T. Ellison (MA), S. MacDonald (PGDipTeach), L. Fangupo (PhD), J.J. Haszard (PhD), R. Richards (PhD), R.W. Taylor (PhD)","doi":"10.1016/j.sleh.2026.05.003","DOIUrl":"10.1016/j.sleh.2026.05.003","url":null,"abstract":"<div><h3>Objectives</h3><div>While sleep inequities exist worldwide, interventions to improve sleep and well-being have rarely been developed through an indigenous lens. This article outlines the development of a Māori-led (indigenous people of Aotearoa New Zealand) intervention aiming to improve sleep in families with pēpi (infants) aged 2-12 months and thus well-being in the wider whānau (family).</div></div><div><h3>Methods</h3><div>Interviews were held with 20 experts in Māori tikanga (customs) and te reo (language) and 20 whānau regarding what helped ensure healthy sleep for their whānau. Interviews were transcribed and analyzed thematically.</div></div><div><h3>Results</h3><div>Interviews yielded a number of themes including 1) that ritual plays a crucial role in fostering connection, cultural identity, and well-being in whānau; 2) that ritual assisted movement between transitions such as wake to sleep through the lens of whakanoa (a cleansing of restrictions as move from one state to another); 3) that water-based activities in particular facilitate the transition to sleep; 4) the importance of intergenerational knowledge as sources of support; and 5) that shared meals prior to sleep symbolize Manaaki (hospitality) and connectedness as well as nourishment.</div></div><div><h3>Conclusions</h3><div>Our findings suggest that culturally grounded approaches that honor the lived realities of whānau may help foster healthy sleep patterns and enhance overall well-being. Prioritizing cultural relevance and intergenerational wisdom has the potential to lead to more effective and meaningful approaches to supporting the sleep and well-being of whānau.</div></div><div><h3>Clinical trial registration</h3><div>Australian New Zealand Clinical Trials Registry (anzctr.org.au, AACTRN12622000921785, 28 June 2022).</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"12 4","pages":"Pages 680-688"},"PeriodicalIF":4.8,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148240359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sleep HealthPub Date : 2026-08-01Epub Date: 2026-06-27DOI: 10.1016/j.sleh.2026.05.009
Miguel A. Garcia PhD, Austin R. Vernon BS, Rebeca Fierro Pérez-Martinez MA, Evan J. Romero BA, Angelica P. Aguirre BA, Theodore V. Cooper PhD, Hannah I. Volpert-Esmond PhD
{"title":"Sleep health, daily and nightly social media use, and positive and negative social media experiences among Hispanic adults: A daily diary study","authors":"Miguel A. Garcia PhD, Austin R. Vernon BS, Rebeca Fierro Pérez-Martinez MA, Evan J. Romero BA, Angelica P. Aguirre BA, Theodore V. Cooper PhD, Hannah I. Volpert-Esmond PhD","doi":"10.1016/j.sleh.2026.05.009","DOIUrl":"10.1016/j.sleh.2026.05.009","url":null,"abstract":"<div><h3>Objectives</h3><div>Sleep is critical for health and well-being. Many studies have observed that social media use frequency, both overall and nighttime use, is associated with poor sleep health. Few studies though have examined how the valence of experiences on social media are associated with sleep health. Investigating these associations among Hispanic groups is vital as Hispanic groups may experience sleep disparities and are using social media at marked rates.</div></div><div><h3>Method</h3><div>Ninety-seven Hispanic adults (<em>M</em><sub><em>age</em></sub> = 23.76 years, <em>SD</em> = 5.56; 69.1% female) participated in a 14-day daily diary study assessing the within- and between-person associations between frequency of daily and nightly social media use, positive and negative social media experiences, and sleep quality, sleep latency, sleep duration, sleep efficiency, and daytime dysfunction.</div></div><div><h3>Results</h3><div>Disaggregated multilevel models revealed that greater frequency of nightly social media use was associated with longer sleep latency and poorer sleep efficiency within participants and with better sleep quality and longer sleep duration between participants. Increased positive social media experiences were associated with lower daytime dysfunction within participants and shorter sleep latency between participants. Increased negative social media experiences were associated with poorer sleep quality and greater daytime dysfunction within and between participants and shorter sleep duration and poorer sleep efficiency within participants.</div></div><div><h3>Conclusions</h3><div>Although the frequency of nightly social media use was associated with sleep health, the valence of social media experiences was more consistently associated with sleep health with associations differing by the valence of the experience. Additional longitudinal studies are warranted to further establish temporality.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"12 4","pages":"Pages 660-669"},"PeriodicalIF":4.8,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148340531","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}
Sleep HealthPub Date : 2026-08-01Epub Date: 2026-06-29DOI: 10.1016/j.sleh.2026.06.001
Susan Redline MD, MPH
{"title":"From the editor’s desk: Challenging our assumptions about the meaning of a “nap”","authors":"Susan Redline MD, MPH","doi":"10.1016/j.sleh.2026.06.001","DOIUrl":"10.1016/j.sleh.2026.06.001","url":null,"abstract":"","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"12 4","pages":"Page 549"},"PeriodicalIF":4.8,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148354449","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}
Sleep HealthPub Date : 2026-08-01Epub Date: 2026-06-30DOI: 10.1016/j.sleh.2026.05.004
Michael D. Smith PhD, Dennis Wesselbaum PhD
{"title":"Correlates of interindividual variability in sleep in the United States","authors":"Michael D. Smith PhD, Dennis Wesselbaum PhD","doi":"10.1016/j.sleh.2026.05.004","DOIUrl":"10.1016/j.sleh.2026.05.004","url":null,"abstract":"<div><h3>Objectives</h3><div>To examine the associations between demographic, socioeconomic, and health-related factors and self-reported sleep duration in a nationally representative sample of U.S. adults, with a novel focus on the conditional variability in sleep, defined as variation in sleep duration among individuals with similar backgrounds.</div></div><div><h3>Methods</h3><div>Data were drawn from eight waves (2011-2020) of the Behavioral Risk Factor Surveillance System, including 1,128,505 adults. A two-step regression framework was used: first, to estimate average sleep duration; second, to model inequality using the conditional variance of sleep. Shapley decomposition quantified the contribution of each factor. Analyses were stratified by sex, race-ethnicity, and separate models were estimated for short (<7 h) and long (≥10 h) sleep duration.</div></div><div><h3>Results</h3><div>Average sleep duration was 6.99 h; 35% of respondents were short sleepers and 5.2% long sleepers. Mental and general health were the strongest predictors of both lower sleep and higher conditional variability. The conditional variability in sleep was greater among those with poor health, lower education, unemployment, and among Black and Asian individuals. Sex differences were modest, but mental health had a stronger association with sleep among males. Asian respondents experienced declining sleep with age, unlike other groups. Short sleep was more common among younger adults, racial minorities, smokers, and the employed; long sleep was linked to poor health and unemployment.</div></div><div><h3>Conclusions</h3><div>Both average sleep and its conditional variability reveal important public health patterns. Disadvantaged groups not only sleep less but also experience more irregular sleep. Policies should address sleep health disparities through integrated mental healthcare and targeted, culturally responsive interventions.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"12 4","pages":"Pages 628-637"},"PeriodicalIF":4.8,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148354436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sleep HealthPub Date : 2026-08-01Epub Date: 2026-05-06DOI: 10.1016/j.sleh.2026.03.010
Jie Xing MS, Xin Lin MS, Ying Zhang MS, Ying Tang PhD, Tingsong Yang PhD, Weiwei Zhuang PhD, Fangbiao Tao PhD, Xu Steven Xu PhD, Min Yuan PhD
{"title":"Wrist-worn accelerometer measured sleep fragmentation and obesity risk: Socioeconomic gradients and mediation by allostatic load","authors":"Jie Xing MS, Xin Lin MS, Ying Zhang MS, Ying Tang PhD, Tingsong Yang PhD, Weiwei Zhuang PhD, Fangbiao Tao PhD, Xu Steven Xu PhD, Min Yuan PhD","doi":"10.1016/j.sleh.2026.03.010","DOIUrl":"10.1016/j.sleh.2026.03.010","url":null,"abstract":"<div><h3>Objectives</h3><div>Sleep fragmentation is a recognized risk factor for obesity, yet whether socioeconomic status moderates this association and whether chronic stress responses mediate it remain unclear.</div></div><div><h3>Methods</h3><div>We analyzed 3007 U.S. adults (≥18 years) from NHANES 2013-2014 with valid wrist-worn accelerometer data, representing approximately 132.7 million adults nationwide. Sleep fragmentation was quantified as wake minutes per hour (WASO/h) and awakenings per hour (AWAKE/h) using a Hidden Markov Model. Outcomes were general obesity (Body Mass Index, BMI) and central obesity (Body Roundness Index, BRI). Moderation by a composite socioeconomic status index (poverty income ratio, education, insurance) and mediation by Allostatic Load Index were evaluated using survey-weighted multinomial logistic regression and moderated mediation models.</div></div><div><h3>Results</h3><div>Higher sleep fragmentation was associated with greater odds of obesity (WASO/h: OR, 1.32; 95% confidence interval (CI), 1.15-1.50; AWAKE/h: OR, 1.52; 95% CI, 1.27-1.83; both <em>P</em> < .001), with similar patterns for Body Roundness Index-defined obesity. These associations were stronger among higher-socioeconomic status adults and less pronounced in middle-socioeconomic status groups. Moderated mediation analyses indicated partial mediation by Allostatic Load Index, with significant indirect effects in high-socioeconomic status groups accounting for 13%-16% of the total association. Results were consistent across sensitivity analyses including multiple imputation, alternative Allostatic Load Index definitions, and additional adjustment for sleep duration and physical activity.</div></div><div><h3>Conclusions</h3><div>Sleep fragmentation was significantly associated with increased risk of both general and central obesity, with socioeconomic heterogeneity in effect magnitude. Chronic stress pathways partially explained this relationship, particularly among higher-socioeconomic status adults, suggesting that incorporating sleep quality assessment may benefit obesity prevention across diverse socioeconomic status contexts.</div></div>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":"12 4","pages":"Pages 638-647"},"PeriodicalIF":4.8,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147844751","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}