Meaning of insomnia

in•som•ni•a

Pronunciation: (in-som'nē-u), [key]

— n.

inability to obtain sufficient sleep, esp. when chronic; difficulty in falling or staying asleep; sleeplessness.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

See also:

insomnia (Thesaurus)

insolvent insomniac

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