Dictionary

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
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

Browse

Next Word in the Dictionary: slow–wittedPrevious Word in the Dictionary: slow virusAll Words Near: slow-wave sleep
July 04, 2015
stringent Hear it
rigorous, strict, or severe
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears