In which disorder do people alternate between states of lethargic hopelessness and wild overexcitement?

Question

Quizplus · Accepted Answer

Bipolar disorder is characterized by episodes of depression and mania. During manic episodes, individuals experience elevated or irritable moods, increased energy, and racing thoughts. These episodes are often followed by depressive episodes characterized by feelings of hopelessness and lethargy. The other options, mania and major depressive disorder, only describe one aspect of bipolar disorder, and rumination is a symptom that can occur in many different types of disorders.

In Which Disorder Do People Alternate Between States of Lethargic