narcolepsy


narcolepsy
n.
an extreme tendency to fall asleep in quiet surroundings or when engaged in monotonous activities. The patient can be woken easily and is immediately alert. It is often associated with cataplexy, sleep paralysis, and hypnagogic hallucinations. One in 2000 individuals may be affected. It has recently been found that narcolepsy is strongly associated with reduced levels of hypocretin in the cerebrospinal fluid.
Derivatives:
narcoleptic adj., n.

The new mediacal dictionary. 2014.

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  • Narcolepsy —    Narcolepsy means sudden, irresistible sleep attacks, often accompanied by cataplexy (sudden loss of muscle tone), hypnagogic hallucinations ( just before falling asleep), and sleep paralysis (sensation of being figuratively nailed to the bed) …   Historical dictionary of Psychiatry

  • narcolepsy — (n.) 1880, from Fr. narcolepsie, coined 1880 by French physician Jean Baptiste Édouard Gélineau (1859 1928) from comb. form of Gk. narke numbness, stupor (see NARCOTIC (Cf. narcotic)) + lepsis an attack, seizure, from leps , future stem of… …   Etymology dictionary

  • narcolepsy — [när′kə lep΄sē] n. [ NARCO + LEPSY] a condition of frequent and uncontrollable desire for sleep; paroxysmal sleep narcoleptic adj., n …   English World dictionary

  • Narcolepsy — For other uses, see Narcolepsy (disambiguation). Narcolepsy Classification and external resources ICD 10 G47.4 ICD 9 …   Wikipedia

  • Narcolepsy — A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Narcolepsy is often associated with cataplexy (a sudden loss of muscle tone and paralysis of voluntary muscles associated with a strong emotion), sleep… …   Medical dictionary

  • Narcolepsy — Klassifikation nach ICD 10 G47.4 Narkolepsie und Kataplexie …   Deutsch Wikipedia

  • narcolepsy — narcoleptic, adj., n. /nahr keuh lep see/, n. Pathol. a condition characterized by frequent and uncontrollable periods of deep sleep. [1875 80; NARCO + (EPI)LEPSY] * * * Sleep disorder with sudden, uncontrollable spells of daytime sleep and… …   Universalium

  • narcolepsy — [[t]nɑ͟ː(r)kəlepsi[/t]] N UNCOUNT Narcolepsy is a rare medical condition. It causes people who suffer from it to fall into a deep sleep at any time without any warning. ...an attack of narcolepsy …   English dictionary

  • narcolepsy — noun A disorder characterized by sudden and uncontrollable attacks of deep sleep, often brief, sometimes accompanied by paralysis and hallucinations Excitement induced narcolepsy caused him to sleep through the most important events of his life …   Wiktionary

  • narcolepsy — noun (plural sies) Etymology: International Scientific Vocabulary Date: 1880 a condition characterized by brief attacks of deep sleep often occurring with cataplexy and hypnagogic hallucinations • narcoleptic adjective …   New Collegiate Dictionary