paradoxical sleep

paradoxical sleep
noun
a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
Hypernyms: ↑sleep, ↑slumber

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noun

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Physiol.
[1960-65]

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paradoxical sleep noun
REM sleep
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Main Entry:paradox

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paradoxical sleep,
any one of about five periods in a night's sleep, each period lasting about ten minutes, during which dreams occur and the body undergoes marked changes, including rapid eye movement, loss of reflexes, and increased brain activity; REM sleep: »

After about an hour of this orthodox sleep phase, a change occurs and paradoxical sleep begins and lasts about 10 minutes before orthodox sleep is resumed ... In paradoxical sleep, unlike orthodox sleep, the blood flow through the brain is increased far above waking levels (New Scientist).


Useful english dictionary. 2012.

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