wakeful Synonyms

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