insomniac
someone who cannot sleep • Syn: sleepless person • Hypernyms: sick person, diseased person, sufferer
experiencing or accompanied by sleeplessness - insomniac old people - insomniac nights - lay sleepless all night - "twenty watchful, weary, tedious nights"- Shakespeare • Syn: sleepless, watchful • Similar to: awake • Derivationally related forms: sleeplessness (for: sleepless)
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