Bipolar disorder is a mood disorder characterized by cycles of manic and depressive episodes. During manic episodes, individuals experience high energy and reduced need for sleep. Depressive episodes involve low energy and loss of interest in activities. The cause is genetic and environmental factors can trigger episodes. The film Silver Linings Playbook depicts a man named Pat released from treatment for bipolar disorder who is obsessed with winning back his ex-wife. He eventually finds love and happiness with another, helping him better manage his condition by understanding his triggers.