The Machinist

I wanted to get Hitch at the video store, on tyalangan's recommendation, but it was out.

So I got The Machinist, which someone recommended, but I'm sleepy and I don't recall who it was - which is an excellent lead-in to the story itself, which is a nightmare version of something by Dostoevsky.

A poor insomniac
Seems to be under attack
From a man that only he
Can see.