title: Repetitive head movements during REM sleep.
mesh_terms: D000328:Adult; D004569:Electroencephalography; D004576:Electromyography; D004585:Electrooculography; D006257:Head / Q000503:physiopathology*; D006801:Humans; D008297:Male; D009069:Movement Disorders / Q000503:physiopathology*; D012895:Sleep, REM / Q000502:physiology*