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
From the M-W Editors
1967
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
Seen and Heard
What made you want to look up slow–wave sleep? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!