Word Study
insomniac
THESAURUS
insomniac
alertness, all-night vigil, consciousness, insomnia, insomnious, insomnolence, insomnolency, lidless vigil, restless, restlessness, sentience, sleepless, sleeplessness, slumberless, tossing and turning, unsleeping, vigil, wake, wakeful, wakefulnessFor further exploring for "insomniac" in Webster Dictionary Online