rapid eye movement sleep true George Gkoutos http://www.case.edu/EpSO.owl#SleepOnsetRapidEyeMovement Sleep Onset Rapid Eye Movement behavior_ontology 2011-03-31T03:00:57Z paradoxical sleep Rapid eye movement sleep (REM) sleep is the portion of sleep when there are rapid eye movements (REMs). REM sleep https://n.neurology.org/content/90/15_Supplement/P3.278 special pattern