Rent The Machinist (2004)
Trevor Reznik (Christian Bale) has not slept for a year. Wracked by exhaustion, his weary mind increasingly plays tricks on him. Then one fateful day at the machine shop where he works, he's involved in an accident and a fellow worker loses an arm. Reznik's guilt turns to paranoia when he discovers cryptic notes in his apartment and a ghostly apparition haunts his every move. Is it someone out to exact revenge for the gruesome accident? In a desperate attempt to save his sanity, Reznik must uncover the truth... but the more he learns, the more terrifying his sleepless nightmare becomes.
