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English definition of “narcolepsy”

narcolepsy

noun [U]     /ˈnɑː.kə.lep.si/ US  /ˈnɑːr.kə-/
a medical condition that makes you go to sleep suddenly and when you do not expect itDisorders of muscles and the nervous system narcoleptic     /ˌnɑː.kəˈlep.tɪk/ US  /ˌnɑːr.kə-/ noun [C], adjective Disorders of muscles and the nervous system
(Definition of narcolepsy noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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