Crossword Genius

___ cycle (3)

Ross

There are a few possibilities for this:

Which length description are you looking for?:

3

4 5 6

(Other definitions for rem that I've seen before include "Sleep stage when dreaming occurs" , "Phase in sleep" , "radiation unit" .)

I've seen this clue in The New York 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.