Meanings
nounREM sleep (usually uncountable, plural REM sleeps)
plural REM sleeps
- uncountableusuallyThe stage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement (REM).
Synonyms: paradoxical sleep
Synonyms & antonyms
nounThe stage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement (REM).
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More synonyms by meaning
nouna recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
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Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Finnish vilkeuni
- vilkeunistage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
French sommeil paradoxal
- sommeil paradoxalstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
German REM-Schlaf, REM-Phase
- REM-Schlafstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
- REM-Phasestage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
- paradoxer Schlafstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
- desynchronisierter Schlafstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
Greek ύπνος REM
- ύπνος REM (ýpnos REM)stage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
Icelandic bliksvefn, kviksvefn
- bliksvefnstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
- kviksvefnstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
- hrjúfur svefnstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
Polish faza REM
- faza REMstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
Russian фаза быстрого сна, БДГ-фаза
- фаза быстрого сна (faza bystrovo sna)stage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
- БДГ-фаза (BDG-faza)stage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
- REM-фаза (REM-faza)stage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
Swedish drömsömn, REM-sömn
- drömsömnstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
- REM-sömnstage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement
Cite this entry
APA
REM sleep. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/REM%20sleep
MLA
“REM sleep.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/REM%20sleep. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “REM sleep,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/REM%20sleep.
Source: REM sleep on Wiktionary, CC BY-SA 4.0.