I've just recently watched
The Machinist and in the whole movie only once I heard that
Trevor Reznik said he hasn't slept for a year. Was this really the case or he just imagined he hasn't slept in a year like everything else?
I think he had awake for a year, but there's two possibilities depending on the intended realism:
He had been awake for a year (artistic licence):
He imagined it (more realistic):