Bipolar disorder is a mental health condition that causes extreme mood swings including emotional highs (mania or hypomania) and depression. These mood swings can affect sleep, energy, activity, judgment, behavior, and the ability to think clearly.

Bipolar disorder is a mental illness characterized by episodes of depression and mania. The cause of this disorder is still unknown. People with bipolar disorder have difficulty building a stable life due to frequent mood changes. There are 3 types of bipolar disorder, however, this article only discusses the content of bipolar II disorder.