alexa Developmental trends in sleep duration in adolescence and young adulthood: evidence from a national United States sample.
Psychiatry

Psychiatry

Journal of Child and Adolescent Behavior

Author(s): Maslowsky J, Ozer EJ, Maslowsky J, Ozer EJ

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Abstract PURPOSE: To present normative values of mean sleep duration from adolescence through young adulthood (ages 13-32 years), prevalence of short (<6 hours) and long (>10 hours) sleep durations, and differences in each by sex and race/ethnicity. METHODS: Mean sleep duration and prevalence of extremely short and long sleep were estimated using data from the United States National Longitudinal Study of Adolescent Health, Waves 1-4 (N = 15,701). RESULTS: Sleep duration showed age-related trends, with decreases across the adolescent period from 8.5 hours per night at age 13 years to 7.3 hours at age 18 years, an increase through the emerging adulthood period to 8.5 hours at age 22, and a gradual decline across early adulthood to 7.7 hours at age 32 years. Prevalence of extremely long and short sleep followed similar developmental trends. Adolescent girls reported lower mean sleep duration than did boys, but women reported longer average sleep duration than did men from age 19 years onward. Short sleep duration was most common among African-Americans at all ages. Long sleep was most common among African-Americans in adolescence and emerging adulthood and among Hispanics in early adulthood. CONCLUSIONS: Sleep duration is developmentally patterned from adolescence through early adulthood. Mean and extreme sleep durations vary systematically by sex and race/ethnicity as well as age. These normative data on sleep duration will inform studies of the role of sleep in the etiology of a wide range of health conditions affecting adolescents and young adults. Copyright © 2014 Society for Adolescent Health and Medicine. Published by Elsevier Inc. All rights reserved.
This article was published in J Adolesc Health and referenced in Journal of Child and Adolescent Behavior

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