REM rebound
REM Rebound
REM rebound (pronounced /rɛm riˈbaʊnd/) is a phenomenon observed in individuals who have been deprived of REM sleep for a certain period.
Etymology
The term "REM rebound" is derived from the words "Rapid Eye Movement" and "rebound". The term "rebound" is used to describe the increase in frequency and duration of REM sleep that occurs after periods of sleep deprivation.
Definition
REM rebound is the lengthening and increasing frequency and depth of REM sleep which occurs after periods of sleep deprivation. When people have been prevented from experiencing REM, they take less time than usual to reach the REM stage of sleep, and once they reach it, they stay in it longer.
Related Terms
- Sleep deprivation: The condition of not having enough sleep. It can be either chronic or acute and may vary widely in severity.
- Rapid Eye Movement (REM): A unique phase of sleep in mammals and birds, characterized by random movement of the eyes, low muscle tone throughout the body, and the propensity of the sleeper to dream vividly.
- Non-Rapid Eye Movement (NREM): The dreamless period of sleep that alternates with REM periods. It is divided into stages of progressively deepening sleep.
- Sleep cycle: The progression through the various stages of NREM sleep to REM sleep before beginning the progression again with NREM sleep.
- Sleep disorder: A medical disorder of the sleep patterns. It can be serious enough to interfere with normal physical, mental, social and emotional functioning.
See Also
External links
- Medical encyclopedia article on REM rebound
- Wikipedia's article - REM rebound
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