The Association between Self-reported Sleep Duration and Body Mass Index among Korean Adolescents

Lee, Ban Hyung; Na, Kyoung-Sae; Choi, Jae Won; Lee, Yu Jin

doi:10.3346/jkms.2016.31.12.1996

Cited by 17 publications

(15 citation statements)

References 36 publications

(35 reference statements)

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“…Others demonstrated associations between longer sleep and lower BMI. For example, in a Korean study, longer sleep on weekdays and weekends was associated with lower BMI in adolescents 36 . Mitchell et al also demonstrated that when compared to 7.5–8 h, 10 h of sleep was associated with lower odds of overweight and obesity in both male and female adolescents aged 14–18 in suburban Philadelphia 2 .…”

Section: Discussionmentioning

confidence: 97%

Adolescent sleep characteristics and body-mass index in the Family Life, Activity, Sun, Health, and Eating (FLASHE) Study

Schneider

Zhang

Xiao

2020

Sci Rep

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Sleep may play a role in overweight and obesity in adolescents. the objective of this study is to investigate the relationships between sleep duration and timing and overweight and obesity status in adolescents, with a special emphasis on weekday-weekend difference in sleep characteristics as well as sex-specific relationships. We examined 1,254 U.S. adolescents (12-17 years) self-reported sleep duration, timing, weekday-weekend differences in duration and timing in relation to overweight and obesity. We found an inverse association between sleep duration and overweight and obesity. Compared to 8-9 h of sleep, short sleep (< 7 h) on weekdays was associated with higher odds of overweight and obesity [Odds ratio (95% confidence interval), 1.73 (1.00, 2.97)] in the overall population, while long sleep (10+ h) on weekends was associated with lower odds, but only in males [0.56 (0.34, 0.92)]. We also found that a larger weekday-weekend difference in sleep duration was associated with overweight and obesity in females, but not in males. Specifically, the odds of overweight and obesity were significantly higher among females reporting longer sleep on weekends than weekdays by ≥ 2 h [2.31 (1.15, 4.63)] when compared to those reporting little weekday-weekend differences. Sleep timing, or weekday-weekend differences in sleep timing, were not associated with overweight and obesity in the overall population, although we found suggestive evidence linking later weekend sleep with overweight and obesity in females. Our findings support a role of sleep in adolescent obesity and suggest sex-differences in this relationship that warrant future studies. Adolescents who are overweight and obese are at a greater risk of developing a wide range of health conditions in adulthood, including high blood pressure, heart disease and strokes, certain types of cancer, kidney disease, and type II diabetes 1. Emerging evidence suggests that sleep deficiency may be an important risk factor for overweight and obesity in childhood and adolescence. However, findings from previous studies are mixed, with some reporting negative associations between sleep duration and body-mass index (BMI) 2-5 , others reporting U-shaped associations similar to findings in adults 6 , and some reporting no associations at all 7. Recent studies suggested that later sleep timing and propensity of eveningness may also be associated with higher BMI 8-12. This may be due to more severe misalignment between the internal circadian cycles and the behavioral sleep-wake cycles that are partially influenced by social and environmental factors such as school schedules and social obligations 13,14. It has been well documented that chronotype shifts later during adolescent years 14. Many middle and high schools have a relatively early start time, and this mismatch between school schedules and chronotype-determined sleep window may lead to sleep deficiency on weekdays among adolescents. Moreover, sex-differences in chronotype and sleep patterns have been reported among adolescents, ...

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Section: Discussionmentioning

confidence: 97%

Adolescent sleep characteristics and body-mass index in the Family Life, Activity, Sun, Health, and Eating (FLASHE) Study

Schneider

Zhang

Xiao

2020

Sci Rep

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“…A school-based, cross-sectional study of 3,785 Korean adolescents in middle and high school between the ages of 11 and 18 years showed the significant association of longer sleep duration on both week day and weekends with decreased BMI for both sexes [97]. A study using data of 489 adolescents aged 12 to 18 years from the Korean National Health and Nutrition Examination Survey from 2013 to 2014 showed that the risk of obesity decreases with increased sleep duration [98].…”

Section: Methodsmentioning

confidence: 99%

Clinical practice guideline for the diagnosis and treatment of pediatric obesity: recommendations from the Committee on Pediatric Obesity of the Korean Society of Pediatric Gastroenterology Hepatology and Nutrition

Kim

Lee

et al. 2019

Korean J Pediatr

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The Committee on Pediatric Obesity of the Korean Society of Pediatric Gastroenterology, Hepatology and Nutrition newly developed the first Korean Guideline on the Diagnosis and Treatment of Obesity in Children and Adolescents to deliver an evidence-based systematic approach to childhood obesity in South Korea. The following areas were systematically reviewed, especially on the basis of all available references published in South Korea and worldwide, and new guidelines were established in each area with the strength of recommendations based on the levels of evidence: (1) definition and diagnosis of overweight and obesity in children and adolescents; (2) principles of treatment of pediatric obesity; (3) behavioral interventions for children and adolescents with obesity, including diet, exercise, lifestyle, and mental health; (4) pharmacotherapy; and (5) bariatric surgery.

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“…In adolescents, shorter sleep duration is associated with multiple indicators of adverse health status and a lower likelihood of better self-rated health (SRH) [3]. Previous findings have demonstrated that sleep deprivation may also be associated with poorer SRH [4], increased odds of being overweight/obesity [4][5][6], and a decrease in school performance [5,7,8]. Sleep deprivation also can lead to negative somatic symptoms, including impaired cognitive functioning [9], an increase in emotional instability [7,10], and depressive symptoms [4,5,11].…”

Section: Introductionmentioning

confidence: 99%

Relationships between Extra-School Tutoring Time, Somatic Symptoms, and Sleep Duration of Adolescent Students: A Panel Analysis Using Data from the Korean Children and Youth Panel Survey

Noh

Kim

Cheon

et al. 2020

IJERPH

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As private tutoring has expanded worldwide, it has been noted that private tutoring and associated emotional distress can affect sleep duration and the health of adolescent students. However, the relationships between extra-school tutoring time, somatic symptoms, defined as physical symptoms of emotional distress, and sleep duration in adolescents has rarely been determined. The aim of this study was to identify these relationships in adolescent students. Data from the Korean Children and Youth Panel Survey were analyzed to address the research questions. Weekday sleep duration, extra-school tutoring time, and somatic symptoms were measured using adolescents’ self-report questionnaires. A multilevel, structural equation model was utilized to test the relationships between these variables and was deemed appropriate considering the repeated measure of the panel data. After controlling for respondent sex, parent working status and education level, and family structure, adolescents’ extra-school tutoring time and level of somatic symptoms were associated with sleep duration during weekdays. Furthermore, the association between extra-school tutoring time and sleep duration was partially mediated by somatic symptoms. Korean adolescent students slept less than the recommended duration. Intervention programs that increase parental interest and attention in adolescent students’ lives, not only focused on academic achievement but also emotional distress is needed. Researchers and policymakers should understand recommended age-appropriate sleep duration and the educational culture and provide balanced strategies between the consideration of the effect of private education on academic achievement and the need to guarantee physical and mental health in adolescent students.

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The Association between Self-reported Sleep Duration and Body Mass Index among Korean Adolescents

Cited by 17 publications

References 36 publications

Adolescent sleep characteristics and body-mass index in the Family Life, Activity, Sun, Health, and Eating (FLASHE) Study

Adolescent sleep characteristics and body-mass index in the Family Life, Activity, Sun, Health, and Eating (FLASHE) Study

Clinical practice guideline for the diagnosis and treatment of pediatric obesity: recommendations from the Committee on Pediatric Obesity of the Korean Society of Pediatric Gastroenterology Hepatology and Nutrition

Relationships between Extra-School Tutoring Time, Somatic Symptoms, and Sleep Duration of Adolescent Students: A Panel Analysis Using Data from the Korean Children and Youth Panel Survey

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