Right in the beginning of the movie, you’re introduced to a man whose sleep deprivation is slowly tearing away at him - he’s beginning to have trouble identifying what is real and what is not. He says himself that, “With insomnia, nothing’s real. Everything is far away. Everything is a copy of a copy of a copy.”
Another example of the narrator demonstrating symptoms of depression is when he is trying to disable a ticking time-bomb in a van. Depression is incredibly crippling because once the conscience takes over, it can fill a person with guilt. As the narrator