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Medical Term:


Pronunciation: nar′kō-lep-sē

Definition: A sleep disorder that usually appears in young adulthood, consisting of recurring episodes of sleep during the day and often disrupted nocturnal sleep; frequently accompanied by cataplexy, sleep paralysis, and hypnagogic hallucinations; a genetically determined disease.

Synonym(s): Gélineau syndrome, paroxysmal sleep

[narco- + G. lēpsis, seizure]