wakeful Synonyms

vigilant awake wide-awake watchful open-eyed waking light mindful observant sleepless ready sharp on guard conscious alert aware argus-eyed attentive on the lookout slumberless wake keened unable to sleep wary unwinking unsleeping insomniac unresting on the alert restless restive eagle-eyed disturbed circumspect chary cautious careful awakened acute astir guarded hawk-eyed regardful quick-sighted prudent keen lighter lidless insomnious informed