noun
- A recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep.
- synonyms: paradoxical sleep, rapid eye movement sleep, rapid eye movement, REM
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). REM sleep. Retrieved September 20, 2026, from http://smartdefine.org/rem_sleep/definitions/1306198 |
| Chicago | WordNet. 2010. "REM sleep" http://smartdefine.org/rem_sleep/definitions/1306198 (accessed September 20, 2026). |
| Harvard | WordNet 2010, REM sleep, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/rem_sleep/definitions/1306198>. |
| MLA | WordNet. "REM sleep" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/rem_sleep/definitions/1306198> |