What does "nrem" mean?

Non-rapid eye movement, non-REM; designating the stage or stages of sleep when there is no dreaming and brain activity is reduced.

Nrem

Q: What is a synonym for "nrem"?

Common synonyms include: nonrapid eye movement, nonrapid eye movement sleep, nrem sleep, orthodox sleep, orthodox sleep.

//ˈɛnɹɛm// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Non-rapid eye movement, non-REM; designating the stage or stages of sleep when there is no dreaming and brain activity is reduced. attributive, uncountable
"[A] key function of deep NREM sleep, which predominates early in the night, is to do the work of weeding out and removing unnecessary neural connections."
2
a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time wordnet

Synonyms

All synonyms

nonrapid eye movement nonrapid eye movement sleep nrem sleep orthodox sleep orthodox sleep

Antonyms

All antonyms

REM

Example

More examples

"[A] key function of deep NREM sleep, which predominates early in the night, is to do the work of weeding out and removing unnecessary neural connections."

Etymology

Initialism of non-rapid eye movement.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.