Late bedtime
I believe the answer is:
one
(Other definitions for one that I've seen before include "1" , "Single, sole" , "Single person or thing" , "time" , "I can mean this" .)
I've seen this clue in The Mirror.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.