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slow-wave sleep

[ sloh-weyv ]
/ ˈsloʊˈweɪv /
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noun Physiology.

a recurrent period of deep sleep, typically totaling five or six hours a night, distinguished by the presence of slow brain waves and by very little dreaming.

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Also called S sleep.
Compare REM sleep.

Origin of slow-wave sleep

First recorded in 1965–70

Words nearby slow-wave sleep

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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