대한수면의학회

The Authors report a case of sleep paralysis patient who is 25-years old man. He complained that he has been experiencing episode 'being suffocated' during sleep and could not move by himself while semiconsciousness state. He was a only son of divorced parents and could not attach anybody from yong childhood. His symptoms was began intermittently after his early teens. Medical history and physical examination revealed no significant finding. A nocturnal polysomnogram showed loss of muscle tone during terminal REM period and sudden hyperventilation attack followed by wake-up. Psychosocial stress and insufficient sleep were presumed to be an etiological factors. Imipramine 50mg per day almost completely relieved symptoms.

Sleep paralysis;Polysomnography;