slow-wave sleep

noun
|Updated on: 3 Jun 2018

Definition of slow-wave sleep

: a state of deep usually dreamless sleep that occurs regularly during a normal period of sleep with intervening periods of REM sleep and that is characterized by delta waves and a low level of autonomic physiological activity

Recent Examples of slow-wave sleep from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'slow-wave sleep.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of slow-wave sleep

1967

in the meaning defined above

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Medical Dictionary

slow-wave sleep

noun

medical Definition of slow-wave sleep

: a state of deep usually dreamless sleep that occurs regularly during a normal period of sleep with intervening periods of REM sleep and that is characterized by delta waves and a low level of autonomic physiological activity called also non-REM sleep, NREM sleep, orthodox sleep, S sleep, synchronized sleep

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