Watchful
WordNet
adjective
(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"
(2) Experiencing or accompanied by sleeplessness
"Insomniac old people"
"Insomniac nights"
"Lay sleepless all night"
"Twenty watchful, weary, tedious nights"- Shakespeare
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