FIGURE 4-2. Sample distribution of sleep patterns.

FIGURE 4-2

Sample distribution of sleep patterns.

SOURCE: Wolfson and Carskadon (1998).

From: 4, Functional and Economic Impact of Sleep Loss and Sleep-Related Disorders

Cover of Sleep Disorders and Sleep Deprivation
Sleep Disorders and Sleep Deprivation: An Unmet Public Health Problem.
Institute of Medicine (US) Committee on Sleep Medicine and Research; Colten HR, Altevogt BM, editors.
Washington (DC): National Academies Press (US); 2006.
Copyright © 2006, National Academy of Sciences.

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