2002 film thriller starring Al Pacino and Robin Williams (8)

I believe the answer is:

insomnia

(Other definitions for insomnia that I've seen before include "Habitual sleeplessness" , "Habitual inability to sleep (8)" , "problem at night" , "Not getting off" , "In restless state" .)

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.