insomnia

insomnia
Inability to sleep, in the absence of external impediments, such as noise, a bright light, etc., during the period when sleep should normally occur; may vary in degree from restlessness or disturbed slumber to a curtailment of the normal length of sleep or to absolute wakefulness. SYN: sleeplessness. [L. fr. in- priv. + somnus, sleep]
- conditioned i. a form of i. resulting from conditioned behaviors that are incompatible with sleep, e.g., each time a person walks into his bedroom, his first thought is that he is not going to be able to sleep.
- subjective i. a condition characterized by the subjective experience of greatly reduced sleep, in the context of relatively normal physiologic measures of sleep.

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in·som·nia in-'säm-nē-ə n prolonged and usu. abnormal inability to obtain adequate sleep called also agrypnia

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n.
inability to fall asleep or to remain asleep for an adequate length of time, so that tiredness is virtually permanent. Insomnia may be associated with disease, particularly if there are painful symptoms, but is more often caused by worry.

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in·som·nia (in-somґne-ə) [in-2 + somn- + -ia] inability to sleep; abnormal wakefulness.

Medical dictionary. 2011.

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  • Insomnia — (lat. „Schlaflosigkeit“) bezeichnet: den Originaltitel eines norwegischen Films aus dem Jahr 1997, siehe Todesschlaf dessen amerikanisches Remake aus dem Jahr 2002, siehe Insomnia – Schlaflos den englischen Originaltitel eines Buches von Stephen… …   Deutsch Wikipedia

  • insomnia — 1620s, insomnie, from L. insomnia want of sleep, from insomnis sleepless, from in not (see IN (Cf. in ) (1)) + somnus sleep (see SOMNOLENCE (Cf. somnolence)). The modern form is from 1758 …   Etymology dictionary

  • Insomnia —    Film policier de Christopher Nolan, avec Al Pacino, Robin Williams, Hilary Swank, Maura Tierney, Martin Donovan.   Pays: États Unis   Date de sortie: 2001   Technique: couleurs   Durée: 1 h 56    Résumé    Insomnia est le remake (très… …   Dictionnaire mondial des Films

  • Insomnia — In*som ni*a, n. [L., fr. insomnis sleepless; pref. in not + somnus sleep.] Lack of sleep; inability to sleep, especially when chronic; wakefulness; sleeplessness. [1913 Webster] …   The Collaborative International Dictionary of English

  • INSOMNIA — pro Deorum nunriis, Gentilibus habira, magna olim in aestimatione fuêre. Hinc scribir Plum???rch. Sullam, cum Commentarios suarum rerum gestarum libros L. Lucullo inscriberet, monnisse amicissimum hominum; observaret praedictiones nocturnas… …   Hofmann J. Lexicon universale

  • insomnia — [n] inability to sleep soundly indisposition, insomnolence, restlessness, sleeplessness, stress, tension, vigil, vigilance, wakefulness; concept 315 Ant. sleep …   New thesaurus

  • insomnia — ► NOUN ▪ habitual sleeplessness. DERIVATIVES insomniac noun & adjective. ORIGIN Latin, from insomnis sleepless …   English terms dictionary

  • insomnia — [in säm′nē ə] n. [L < insomnis, sleepless < in , IN 2 + somnus, sleep: see SOMNOLENT] abnormally prolonged inability to sleep, esp. when chronic insomniac [in säm′nēak΄] n., adj …   English World dictionary

  • Insomnia — This article is about the sleeping disorder. For other uses, see Insomnia (disambiguation). Insomnia Classification and external resources ICD 10 F51.0, G47.0 …   Wikipedia

  • insomnia — insomnious, adj. /in som nee euh/, n. inability to obtain sufficient sleep, esp. when chronic; difficulty in falling or staying asleep; sleeplessness. [1685 95; < L, equiv. to insomn(is) sleepless (in IN 3 + somn(us) sleep + is adj. suffix) + ia… …   Universalium

  • Insomnia — El término insomnia puede referirse a: Insomnia (2002), película dirigida por Christopher Nolan Insomnio (España); Insomnia, single del grupo de thrash metal Megadeth del álbum Risk; Insomnia de los 40 Principales, programa Radial conducido por… …   Wikipedia Español

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