Fight Club is a 1996 novel by Chuck Palahniuk. It follows the
experiences of an unnamed protagonist struggling with insomnia. Inspired
by his doctor's exasperated remark that insomnia is not suffering, the
protagonist finds relief by impersonating a seriously ill person in
several support groups. Then he meets a mysterious man named Tyler
Durden and establishes an underground fighting club as
radical psychotherapy. In 1999, director David Fincher adapted the novel
into a film of the same name, starring Brad Pitt and Edward Norton. The
film acquired a cult movie.