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Alcohol and Narcolepsy
Published online by Cambridge University Press: 29 January 2018
Extract
Narcolepsy is a syndrome characterized by recurrent sleep attacks and one or more of the following symptoms: cataplexy (transient loss of muscle tone), sleep paralysis (inability to move in the transition between sleep and arousal), and hypnagogic hallucinations (Sours, 1963). Polygraphic sleep studies indicate that narcoleptics have an abnormal sleep record. Normally, rapid eye movement (REM) sleep is preceded by 90 to 100 minutes of non-REM sleep, whereas narcoleptics often have an REM-period at the onset of sleep (Hishikawa and Kaneki, 1965; Rechtschaffen et al., 1963).
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- Copyright © The Royal College of Psychiatrists, 1970
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