Found 1 items, similar to insomniac.
English → English (WordNet) Definition: insomniac insomniac adj : experiencing or accompanied by sleeplessness; “insomniac old people”; “insomniac nights”; “lay sleepless all night”; “twenty watchful, weary, tedious nights”- Shakespeare [syn: sleepless, watchful] n : someone who cannot sleep [syn: sleepless person]