Beyond sleep duration: distinct sleep dimensions are associated with obesity in children and adolescents

Objective: Short sleep duration is recognized as a significant risk factor in childhood obesity; however, the question as to how sleep contributes to the development of obesity remains largely unknown. The majority of pediatric studies have relied on sleep duration as the exclusive measure of sleep;...

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Bibliographic Details
Published in:International Journal of Obesity 2013-04, Vol.37 (4), p.552-558
Main Authors: Jarrin, D C, McGrath, J J, Drake, C L
Format: Article
Language:English
Subjects:
631/378/1385/519
692/699/1702/393
692/700/1720
Adolescent
Adolescents
Age Factors
Biological and medical sciences
Blood pressure
Body Fat Distribution
Body Mass Index
Canada - epidemiology
Child
Children
Children & youth
Circadian Rhythm
Cross-Sectional Studies
Demographic aspects
Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes
Eating
Epidemiology
Exercise
Extracurricular activities
Eye movements
Feeding Behavior
Female
General aspects
Health Promotion and Disease Prevention
Health psychology
Heart rate
Humans
Internal Medicine
Longitudinal Studies
Male
Medical sciences
Medicine
Medicine & Public Health
Metabolic Diseases
Motor Activity
Nervous system (semeiology, syndromes)
Neurology
Obesity
Obesity - complications
Obesity - epidemiology
Obesity in adolescence
Obesity in children
pediatric-original-article
Pediatrics
Physiological aspects
Physiology
Puberty
Public Health
Respiration
Risk Factors
Sleep
Sleep apnea
Sleep disorders
Socioeconomics
Teenagers
Time Factors
Waist Circumference
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Summary:Objective: Short sleep duration is recognized as a significant risk factor in childhood obesity; however, the question as to how sleep contributes to the development of obesity remains largely unknown. The majority of pediatric studies have relied on sleep duration as the exclusive measure of sleep; this insular approach may be misleading given that sleep is a dynamic multidimensional construct beyond sleep duration, including sleep disturbances and patterns. Although these sleep dimensions partly overlap, it is necessary to determine their independent relation with obesity, which in turn, may inform a more comprehensive understanding of putative pathophysiological mechanisms linking sleep and obesity. The aim of the present study was to investigate whether sleep dimensions including sleep duration, disturbances, and patterns were individually associated with obesity, independent of multiple covariates. The second objective was to examine whether sleep disturbances and patterns were independently associated with obesity, after adjusting for sleep duration. Methods: Participants included 240 healthy children and adolescents ( M age =12.60, s.d.=1.98; 45.8% females). Anthropometric measures included measured waist and hip circumference, body mass index Z -score, and percent body fat. Subjective sleep measures included sleep duration, sleep disturbances, sleep quality, and sleep patterns from youth- and parental report. Results: Youth with larger adiposity and body composition measures reported poorer sleep quality ( β avg =−0.14, P
ISSN:0307-0565
1476-5497
DOI:10.1038/ijo.2013.4