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}]