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单词 non-REM sleep
释义

non-REM sleep

noun

ˈnän-ˌrem- How to pronounce non-REM sleep (audio)
variants or NREM sleep
ˈen-ˌrem- How to pronounce non-REM sleep (audio)
: a state of sleep that occurs regularly during a normal period of sleep with intervening periods of REM sleep and is characterized by delta wave brain activity, little dreaming, and a reduced level of autonomic physiological activity
Non-REM sleep is a quiet sleep state. The muscles are relaxed but maintain some tone, breathing is regular, the cerebral cortex generates high-voltage waves, and consumption of energy by the brain is minimal. Jerome M. Siegel
For most people the few dreams found in non-REM sleep tend to have a rather thought-like character. During REM sleep, on the other hand, dreams occur more frequently and usually have a perceptual vividness … Francis Crick et al.
NREM sleep … is crucial to memory retention, and to acquiring and refining our motor skills. David Kamp
compare rem sleep, slow-wave sleep

Word History

First Known Use

1963, in the meaning defined above

Medical Definition

non-REM sleep

noun

-ˌrem- How to pronounce non-REM sleep (audio)
variants or NREM sleep
ˈen-ˌrem- How to pronounce non-REM sleep (audio)
: a state of sleep that occurs regularly during a normal period of sleep with intervening periods of REM sleep and is characterized by delta wave brain activity, little dreaming, and a reduced level of autonomic physiological activity
Non-REM sleep is a quiet sleep state. The muscles are relaxed but maintain some tone, breathing is regular, the cerebral cortex generates high-voltage waves, and consumption of energy by the brain is minimal. Jerome M. Siegel
NREM sleep … is crucial to memory retention, and to acquiring and refining our motor skills. David Kamp

called also orthodox sleep, S sleep, synchronized sleep

compare rem sleep, slow-wave sleep
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更新时间:2024/12/23 10:13:23