insomniac (n.)

  1. someone who cannot sleep

    [ Syn: sleepless person ]

    insomniac (adj.)

  1. experiencing or accompanied by sleeplessness; insomniac old people; insomniac nights; lay sleepless all night; twenty watchful, weary, tedious nights- Shakespeare

    [ Syn: sleepless , watchful ]

The dictionary is based on the WordNet Electronic Lexical Database.
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