REM: features REM: Rapid pulse/ Respiratory rate Erection Mental activity increase/ Muscle paralysis Parasomnias: time of onset SLeep terrors and SLeepwalking occur during SLow-wave sleep (stages 3 & 4). NightmaRE occurs during REM sleep (and is REMembered). Sleep stages: features DElta waves during DEepest sleep (stages 3 & 4, slow-wave). dREaM during REMsleep. Narcolepsy: symptoms, […]