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Meaning of INSOMNIA

Pronunciation:  in'sâmneeu

WordNet Dictionary
[n]  an inability to sleep; chronic sleeplessness

INSOMNIA is a 8 letter word that starts with I.


 Antonyms: hypersomnia
 See Also: sleep disorder



Webster's 1913 Dictionary
\In*som"ni*a\, n. [L., fr. insomnis sleepless; pref.
in- not + somnus sleep.]
Want of sleep; inability to sleep; wakefulness;

Medical Dictionary
 Definition: Inability to sleep.
Biology Dictionary
 Definition: Insomnia is a sleep disorder characterized by difficulty initiating or maintaining sleep, or nonrestorative sleep, for at least 1 month.
Thesaurus Terms
 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