| Pronunciation: | | in'sâmneeu
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| Matching Terms: | | insomniac, insomnious
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 WordNet Dictionary |
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| | Definition: | | [n] an inability to sleep; chronic sleeplessness |
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| | Antonyms: | | hypersomnia |
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| | See Also: | | sleep disorder |
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| Webster's 1913 Dictionary |
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| | Definition: | | \In*som"ni*a\, n. [L., fr. insomnis sleepless; pref.
in- not + somnus sleep.]
Want of sleep; inability to sleep; wakefulness;
sleeplessness.
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| Medical Dictionary |
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| | Definition: | | Inability to sleep. |
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| Biology Dictionary |
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| | Definition: | | Insomnia is a sleep disorder characterized by difficulty initiating or maintaining sleep, or nonrestorative sleep, for at least 1 month. |
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| Thesaurus Terms |
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| | Related Terms: | | abscess, ague, alertness, all-night vigil, anemia, ankylosis, anoxia, apnea, asphyxiation, asthma, ataxia, atrophy, backache, bleeding, blennorhea, cachexia, cachexy, chill, chills, colic, consciousness, constipation, convulsion, coughing, cyanosis, diarrhea, dizziness, dropsy, dysentery, dyspepsia, dyspnea, edema, emaciation, fainting, fatigue, fever, fibrillation, flux, growth, hemorrhage, high blood pressure, hydrops, hypertension, hypotension, icterus, indigestion, inflammation, insomniac, insomnolence, insomnolency, itching, jaundice, labored breathing, lidless vigil, low blood pressure, lumbago, marasmus, nasal discharge, nausea, necrosis, pain, paralysis, pruritus, rash, restlessness, rheum, sclerosis, seizure, sentience, shock, skin eruption, sleeplessness, sneezing, sore, spasm, stress, tabes, tachycardia, tension, tossing and turning, tumor, upset stomach, vertigo, vigil, vomiting, wake, wakefulness, wasting |
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