Beyond Sleep Duration: Bidirectional Associations Among Chronotype, Social Jetlag, and Drinking Behaviors in a Longitudinal Sample of US High School Students

Haynie, Denise L.; Lewin, Daniel; Luk, Jeremy W.; Lipsky, Leah M.; O’Brien, Fearghal; Iannotti, Ronald J.; Liu, Danping; Simons‐Morton, Bruce G.

doi:10.1093/sleep/zsx202

Cited by 70 publications

(51 citation statements)

References 71 publications

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“…We found a mean social jetlag of 2.80 hours in this large sample of adolescents, with no between-sex differences (2.80 in females and 2.81 in males). Population-level studies of social jetlag in adolescents demonstrate average social jetlag levels around 2.50 (Haynie et al, 2018;Vollmer et al, 2017), similar to the current sample. These levels of social jetlag in adolescents contrast sharply with population-level studies in adults, which find the majority of adults having social jetlag ≤ 1 hours (Islam et al, 2018;Koopman et al, 2017;Parsons et al, 2015), translating to about 250% greater social jetlag in adolescents versus adults.…”

Section: Discussionsupporting

confidence: 81%

Sex Moderates Relationships Among School Night Sleep Duration, Social Jetlag, and Depressive Symptoms in Adolescents

2019

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Social jetlag, a misalignment between sleep timing on the weekend and work week, is associated with depressive symptoms among adults across both sexes. One prior study found that later sleep timing was associated with depressive symptoms in women but not men. To date, however, no research has investigated whether the association between social jetlag and depression varies by sex among adolescents. The current study assessed self-reported sleep, depressive symptoms, and demographic information from 3,058 adolescents (48% female, mean ± SD age 15.59 ± .77 years) from the age 15 wave of the Fragile Families and Child Wellbeing Study (FFCWS). Social jetlag was calculated as the absolute value of the midpoint of sleep on the weekend minus the midpoint of sleep during the school week. Depressive symptoms were measured through a modified 5-item version of the Center for Epidemiologic Studies Depression Scale (CES-D). We assessed whether the associations between sleep duration on school nights, social jetlag, and depressive symptoms were similar between male and female adolescents using multiple linear regression. In fully adjusted models, sex moderated the association between school night TST and depressive symptoms (p < .001) and between social jetlag and depressive symptoms (p = .037). In females, but not in males, school night TST was negatively associated with depressive symptoms (p <. 001), while social jetlag (p < .001) was positively and independently associated with depressive symptoms. The results indicate the importance of regular sleep timing across the week and adequate sleep duration for maintenance of optimal emotional health among female adolescents.

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Section: Discussionsupporting

confidence: 81%

Sex Moderates Relationships Among School Night Sleep Duration, Social Jetlag, and Depressive Symptoms in Adolescents

2019

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“…The mechanism underlying this association is still unclear, but it is proposed that both alcohol and caffeine intakes can delay the onset on nocturnal melatonin release, thus suppressing sleepiness [83,91]. Interestingly, some studies revealed how the consumption of alcohol and caffeine can increase the odds of later chronotype [90,92]. It was postulated that evening chronotypes have more chances to engage with 'evening habits' (drinking) due to a delay in sleep time compared to morning chronotypes, who sleep earlier [93].…”

Section: Macro and Micro Nutrients And Food Groupmentioning

confidence: 99%

The Association between Chronotype and Dietary Pattern among Adults: A Scoping Review

Mazri

Manaf

Shahar

et al. 2019

IJERPH

137

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Chronotype reflects an individual’s preferred time of the day for an activity/rest cycle and individuals can be classified as a morning, intermediate, or evening type. A growing number of studies have examined the relationship between chronotype and general health. This review aimed to map current evidence of the association between chronotype and dietary intake among the adult population. A systematic search was conducted across five databases: EBSCO Host, Medline & Ovid, Pubmed, Scopus, and The Cochrane Library. The inclusion criteria were adult subjects (more than 18 years old), and included an assessment of (i) chronotype, (ii) dietary behaviour/nutrient intake/food group intake, and (iii) an analysis of the association between chronotype and dietary behaviour/nutrient intake/food group intake. A total of 36 studies were included in the review. This review incorporated studies from various study designs, however, the majority of these studies were based on a cross-sectional design (n = 29). Dietary outcomes were categorized into three main groups, namely dietary behaviour, nutrient intake, and specific food group intake. This scoping review demonstrates that evening-type individuals are mostly engaged with unhealthy dietary habits related to obesity and were thus hampered in the case of weight loss interventions. Hence, this review has identified several dietary aspects that can be addressed in the development of a personalised chrono-nutrition weight loss intervention.

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“…Recent research also highlights the high level of variability in nightly sleep duration during adolescence (Cysarz et al, 2018, Urbanek et al, 2018). Nightly sleep variability is associated with multiple health risks in adolescents; including, increased risk of obesity and poor diet (He et al, 2015; Malone et al, 2016), chronic inflammation (Park et al, 2016), substance use (Haynie et al, 2017, Nguyen-Louie et al, 2018), behavioral disorders (Zhang et al 2017), and mental health problems/negative mood (Bei et al, 2017, Fuligni and Hardway, 2006, Zhang et al, 2017). Thus, in addition to the health risks posed by insufficient mean hours of sleep (Wahlstrom, Berger, & Widome, 2017), variability in sleep may produce health disadvantages among adolescents who are unable to establish regular sleep schedules.…”

Section: Introductionmentioning

confidence: 99%

Family contexts and sleep during adolescence

Schmeer

Tarrence

Browning

et al. 2019

SSM - Population Health

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Sleep deprivation among adolescents has received much attention from health researchers and policymakers. Recent research indicates that variation in sleep duration from night to night is associated with multiple health outcomes. While there is evidence that sleep deprivation is socially patterned, we know little about how social contexts are associated with nightly sleep variation during adolescence (a life course stage when nightly sleep variation is particularly high). Given the importance of family environments for influencing adolescents’ sleep patterns, we hypothesized that disadvantaged family contexts would be associated with higher intra-individual variation (IIV) in nightly sleep duration, in addition to lower average nightly sleep duration. We tested these hypotheses in a diverse, population-based sample of 11–17 year-olds (N = 1095) from the Adolescent Health and Development in Context Study. Using survey and ecological momentary assessment data and a novel form of multi-level regression modeling (location-scale mixed modeling), we found that adolescents living in unmarried-parent, low SES, economically insecure, and high caregiver stress families had higher IIV in sleep than adolescents in families with more resources and less caregiver stress. There were fewer family effects on average sleep duration. This suggests family social and economic contexts are associated with an under-researched aspect of adolescent sleep, nightly variation, and may contribute to adolescent sleep problems with implications for their health and health disparities.

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Beyond Sleep Duration: Bidirectional Associations Among Chronotype, Social Jetlag, and Drinking Behaviors in a Longitudinal Sample of US High School Students

Abstract: Health Behavior in School-Aged Children: NEXT Longitudinal Study 2009-2013, https://clinicaltrials.gov/ct2/show/NCT01031160?term=Simons-Morton&rank=3, NCT01031160.

Cited by 70 publications

References 71 publications

Sex Moderates Relationships Among School Night Sleep Duration, Social Jetlag, and Depressive Symptoms in Adolescents

Sex Moderates Relationships Among School Night Sleep Duration, Social Jetlag, and Depressive Symptoms in Adolescents

The Association between Chronotype and Dietary Pattern among Adults: A Scoping Review

Family contexts and sleep during adolescence

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