He can't eat, he can't sleep, and someone's playing hangman on his fridge.... Dr Sadler and I discuss The Machinist. We talk about sleep and malnutrition, formulating what is driving the protagonist, and considering the film, the characters and the symbolism from a psychological perspective.Stuart Sadler is a Clinical Psychologist and runs Newcastle Psychologist and Counselling. Dr Boo is a Clinical Psychologist and director of Applied Psychology Solutions