When we first meet the main character, only identified as "Jack", he has a gun to his head battling his split personality, Tyler Durdan. He then takes you back many months so you can know how it is he came to that state. Jack is a 30 year old single white male complaining of insomnia for over 6 months. His job as a liability consultant for an automotive company requires him to take frequent trips to different time zones, usually on a short notice, therefore leaving him jet lagged. This issue has endured for at least six months. He states he is in "pain" and wants something to just make him sleep. Jack states that on several occasions he has woken up in strange places and does not know how or when he got there. He realized that having blackouts (not due to substance abuse or general medical...