Published Online: 30 JAN 2010
Copyright © 2010 John Wiley & Sons, Inc. All rights reserved.
Corsini Encyclopedia of Psychology
How to Cite
Siegel, J. 2010. Narcolepsy. Corsini Encyclopedia of Psychology. 1–2.
- Published Online: 30 JAN 2010
Narcolepsy is a disorder characterized by persistent daytime sleepiness. Despite this daytime sleepiness, narcoleptics often do not sleep well at night. In addition to sleepiness, narcoleptics have REM (Rapid Eye Movement) sleep shortly after they go to sleep, in contrast to the 1–1.5 hours taken by normal individuals before their first REM sleep period. Thus short sleep latency, indicative of sleepiness, plus REM sleep shortly after sleep onset, can be used to diagnose narcolepsy.
- REM sleep;