NIHSeniorHealth: Sleep and Aging

About Sleep Insomnia Sleep-disordered Breathing Movement Disorders Diagnosing Sleep Disorders Treating Sleep Disorders Sleeping Well Frequently Asked Questions Videos MedlinePlus for More Information Printer friendly version		Sleep and Aging About Sleep This is a 4 - question quiz to check your understanding of About Sleep. Directions: Respond to the following statements by clicking on the correct answer. 1. Our sleep is regulated by A. our circadian biologic clock and the sleep-wake process. B. our dreams. C. our breathing. Click for answer


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Last reviewed: 03 January 2011 First published: 16 March 2005 National Institute on Aging, U.S. National Library of Medicine National Institutes of Health, U.S. Department of Health & Human Services Contact us, Accessibility, Copyright, Privacy