narcolepsyEnglishOxford Dictionary of Englishnarcolepsy /ˈnɑːkə(ʊ)lɛpsi / ▸ noun [mass noun] Medicine a condition characterized by an extreme tendency to fall asleep whenever in relaxing surroundings. – ORIGIN late 19th century: from Greek narkē ‘numbness’, on the pattern of epilepsy.
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EnglishOxford Dictionary of English
