wakeful
adjective
carefully observant or attentive; on the lookout for possible danger
“a policy of open-eyed awareness”
“the vigilant eye of the town watch”
(of sleep) easily disturbed
“in a light doze”
“a light sleeper”
Synonymslightmarked by full consciousness or alertness
“worked every moment of my waking hours”
Synonymswaking
Source: WordNet 3.1, Princeton University
