nnoun.personsomeone who cannot sleepSynset:sleepless person
Hypernyms:diseased person sick person sufferer
Inherited Hypernyms:insomniacsick personunfortunatepersoncausal agentphysical entityentity
Inherited Hypernyms:insomniacsick personunfortunatepersonorganismliving thingwholeobjectphysical entityentity
adj satadj.allexperiencing or accompanied by sleeplessnessSynset:sleepless watchful
Examples:- insomniac old people
- insomniac nights
- lay sleepless all night
- twenty watchful, weary, tedious nights - Shakespeare
Antonyms:asleep
Derivationally Related Form:sleeplessness
Inherited Hypernyms:insomniac
Similar to:awake