Dreaming sleep phase, briefly (3)
I believe the answer is:
rem
(Other definitions for rem that I've seen before include "Phase in sleep" , "radiation unit" , "Sleep stage when dreaming occurs" .)
I've seen this clue in the LA Times.
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.