slow-wave sleep


slow–wave sleep

noun

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

First Known Use of SLOW-WAVE SLEEP

1967

slow–wave sleep

noun    (Medical Dictionary)

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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