[ 'nα:kə(ʊ)lɛpsi ]
■ noun Medicine a condition characterized by an extreme tendency to fall asleep whenever in relaxing surroundings.
Derivatives
narcoleptic adjective &noun
Origin
C19: from Gk narkē 'numbness', on the pattern of epilepsy .
NARCOLEPSY
Meaning of NARCOLEPSY in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004