Short sleep duration and obesity: the role of emotional stress and sleep disturbances

Objective: Many epidemiologic studies have reported that obesity is associated with short sleep duration. How the degree of obesity or other clinical characteristics of the obese individuals, such as sleep disturbances or emotional stress, define this relation is not known. Design: We studied a rand...

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Veröffentlicht in:	International Journal of Obesity 2008-05, Vol.32 (5), p.801-809
Hauptverfasser:	Vgontzas, A.N, Lin, H.M, Papaliaga, M, Calhoun, S, Vela-Bueno, A, Chrousos, G.P, Bixler, E.O
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Biomarkers Body Mass Index Cohort Studies complications Diagnosis disease incidence Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes emotions epidemiological studies Epidemiology Female gender differences Health Promotion and Disease Prevention Humans Insomnia Internal Medicine Male Medical sciences Medicine Medicine & Public Health men Metabolic Diseases Middle Aged Nervous system (semeiology, syndromes) Neurology Obesity Obesity - complications Obesity - physiopathology obesity-related diseases original-article pathogenesis Personality Polysomnography - methods Psychiatry psychological stress Public Health Respiration risk assessment Risk factors Self report Sleep sleep apnea Sleep disorders Sleep Wake Disorders - etiology Sleep Wake Disorders - physiopathology Sleep Wake Disorders - prevention & control Strain gauges Stress Stress (Psychology) Stress, Psychological - complications University colleges Women
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Zusammenfassung:	Objective: Many epidemiologic studies have reported that obesity is associated with short sleep duration. How the degree of obesity or other clinical characteristics of the obese individuals, such as sleep disturbances or emotional stress, define this relation is not known. Design: We studied a random sample of 1300 middle-aged men and women from the Penn State Cohort in the sleep laboratory for one night. Sleep disturbances were recorded as insomnia, excessive daytime sleepiness (EDS) or sleep difficulty. Chronic emotional stress was determined by the Minnesota Multiphasic Personality Inventory-2 (MMPI-2). Results: Obese individuals (body mass index, BMI>30) reported shorter duration of sleep, had a higher incidence of subjective sleep disturbances (47.4 vs 25.5% ; P
ISSN:	0307-0565 1476-5497
DOI:	10.1038/ijo.2008.4