Below are possible answers for the crossword clue Isn't alert.
6 letter answer(s) to isn't alert
SLEEPS
a natural and periodic state of rest during which consciousness of the world is suspended; "he didn't get enough sleep last night"; "calm as a child in dreamless slumber"
a period of time spent sleeping; "he felt better after a little sleep"; "there wasn't time for a nap"
a torpid state resembling deep sleep
be able to accommodate for sleeping; "This tent sleeps six people"
be asleep
euphemisms for death (based on an analogy between lying in a bed and in a tomb); "she was laid to rest beside her husband"; "they had to put their family pet to sleep"
Other crossword clues with similar answers to 'Isn't alert'