watchful (
http://definr.com/watchful)
adj 1: carefully observant or attentive; on the lookout for
possible danger; "a policy of open-eyed awareness";
"the vigilant eye of the town watch"; "there was a
watchful dignity in the room"; "a watchful parent with
a toddler in tow" [syn:
argus-eyed,
open-eyed,
vigilant,
wakeful]
2: experiencing or accompanied by sleeplessness; "insomniac old
people"; "insomniac nights"; "lay sleepless all night";
"twenty watchful, weary, tedious nights"- Shakespeare
[syn:
insomniac,
sleepless]