Hayes Jacqueline F, Balantekin Katherine N, Altman Myra, Wilfley Denise E, Taylor C Barr, Williams Joanne
1 Department of Psychiatry, Washington University , St. Louis, MO.
2 Center for m2Health, Palo Alto University and Stanford Medical Center , Palo Alto, CA.
Child Obes. 2018 Jan;14(1):11-17. doi: 10.1089/chi.2017.0148. Epub 2017 Aug 29.
Inadequate sleep duration, sleep patterns, and sleep quality have been associated with metabolic, circadian, and behavioral changes that promote obesity. Adolescence is a period during which sleep habits change to include less sleep, later bedtimes, and greater bedtime shift (e.g., difference between weekend and weekday bedtime). Thus, sleep may play a role in adolescent obesity and weight-related behaviors. This study assesses sleep duration, quality, and schedules and their relationships to relative weight and body fat percentage as well as diet, physical activity, and screen time in adolescents with overweight/obesity.
Adolescents between 12 and 17 years old (n = 186) were weighed and measured, reported typical sleep and wake times on weekdays and weekends, and responded to questionnaires assessing diet, physical activity, and screen time habits.
Controlling for sleep duration, later weekend bedtime and greater bedtime shift were associated with greater severity of overweight (β = 0.20; β = 0.16) and greater screen time use (β = 0.22; β = 0.2). Later bedtimes on the weekdays and weekends were associated with fewer healthy diet practices (β = -0.26; β = -0.27). In addition, poorer sleep quality was associated with fewer healthy diet habits (β = -0.21), greater unhealthy diet habits (β = 0.15), and less physical activity (β = -0.22). Sleep duration was not associated with any weight or weight-related behavior.
Sleep patterns and quality are associated with severity of overweight/obesity and various weight-related behaviors. Promoting a consistent sleep schedule throughout the week may be a worthwhile treatment target to optimize behavioral and weight outcomes in adolescent obesity treatment.
睡眠时间不足、睡眠模式及睡眠质量与促进肥胖的代谢、昼夜节律和行为变化有关。青春期是睡眠习惯发生改变的时期，睡眠时间减少、就寝时间推迟，就寝时间变化更大（例如，周末和工作日就寝时间的差异）。因此，睡眠可能在青少年肥胖及与体重相关的行为中起作用。本研究评估了超重/肥胖青少年的睡眠时间、质量和时间表及其与相对体重、体脂百分比以及饮食、身体活动和屏幕使用时间的关系。
对12至17岁的青少年（n = 186）进行称重和测量，记录他们平日和周末的典型睡眠时间和起床时间，并回答评估饮食、身体活动和屏幕使用时间习惯的问卷。
在控制睡眠时间的情况下，周末就寝时间推迟和就寝时间变化更大与超重严重程度增加（β = 0.20；β = 0.16）以及屏幕使用时间增加（β = 0.22；β = 0.2）有关。平日和周末就寝时间推迟与健康饮食行为较少有关（β = -0.26；β = -0.27）。此外，睡眠质量较差与健康饮食习惯较少（β = -0.21）、不健康饮食习惯较多（β = 0.15）以及身体活动较少（β = -0.22）有关。睡眠时间与任何体重或与体重相关的行为均无关。
睡眠模式和质量与超重/肥胖的严重程度以及各种与体重相关的行为有关。在青少年肥胖治疗中，促进一周内作息时间一致可能是优化行为和体重结果的一个有价值的治疗目标。
