Disturbances Of Sleep Timing: Sleep Disorders
Content provided by the Faculty of the Harvard Medical School
Disturbances of sleep timing
When their internal clocks are disturbed, people may long for sleep when they need to be awake or may stay up until the wee hours of the morning without feeling tired.
| Last updated: | January 23, 2007 |
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Medical content reviewed by the Faculty of the Harvard Medical School. Harvard Health Publications, Copyright © 2007 by President and Fellows of Harvard College. All rights reserved. Used with permission of StayWell.
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