a condition characterized by frequent and uncontrollable periods of deep sleep.
Related formsnar·co·lep·tic, adjective, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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British Dictionary definitions for narcolepsy
Derived Formsnarcoleptic, adjective
pathol a rare condition characterized by sudden and uncontrollable episodes of deep sleep
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for narcolepsy
1880, from French narcolepsie, coined 1880 by French physician Jean-Baptiste-Édouard Gélineau (1859-1928) from comb. form of Greek narke "numbness, stupor" (see narcotic) + lepsis "an attack, seizure," from leps-, future stem of lambanein "take hold of, grasp" (see analemma). Related: Narcoleptic; narcolept.
Online Etymology Dictionary, © 2010 Douglas Harper
Related formsnar′co•lep′tic (-lĕp′tĭk) adj. n.
A disorder characterized by sudden and uncontrollable, though often brief, attacks of deep sleep, sometimes accompanied by paralysis and hallucinations.hypnolepsy
The American Heritage® Stedman's Medical Dictionary
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