The Machinist (2004)

Trevor Reznik is an industrial worker; emaciated and an insomniac who hasn't slept in a year. The only happiness in his life is spending time with his hooker girlfriend Stevie, and talking with a divorced waitress at the airport restaurant. But weird things start to happen; he keeps seeing a co-worker who everyone says doesn't exist, then he finds mysterious Post-It notes on his refrigerator. Then after there's an accident at work, Trevor claims that it was the non-existent co-worker who distracted him. When he begins to suspect that there's a revenge plot against him, he soon believes that he's slowly losing his mind. A strange and intriguing psychological drama; Bale is simply astounding and barely recognizable. Starring Christian Bale, Jennifer Jason Leigh, Aitana Sánchez-Gijón, John Sharian, Michael Ironside, Larry Gillard Jr. 8/10