NREM sleep

[ en-rem ]

noun

1. slow-wave sleep.

NREM sleep

/ ĕn′rĕm′ /

1. See non-REM sleep

Word History and Origins

Origin of NREM sleep¹

1960–65; n(on-)r(apid) e(ye) m(ovement)

Example Sentences

Non-rapid eye movement, or NREM, sleep accounts for 75 percent of the night, starting from when someone first begins to fall asleep.

From Washington Post

Stickgold’s group focused on dreams that occur during non–rapid eye movement, or NREM, sleep.

From US News