MedlinePlus Medical Encyclopedia: Irregular sleep

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Irregular sleep

Sleep-wake syndrome is indicated by irregular periods of sleep and wakefulness which disrupt the various stages of sleep. It may be caused by schedule disruption, heart disease, depression or a number of factors which, if not remedied, may lead to chronic sleep deprivation.

Update Date: 7/25/2006

Updated by: Paul Ballas, D.O., Department of Psychiatry, Thomas Jefferson University Hospital, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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