A manic episode is characterized by an abnormally elevated or irritable mood, increased energy, decreased need for sleep, racing thoughts, and impulsive behavior.
A depressive episode is characterized by a persistent feeling of sadness, hopelessness, and loss of interest or pleasure in activities that were once enjoyable.
Individuals in a mixed episode may experience intense feelings of irritability, agitation, hopelessness. They may also engage in impulsive and risky behaviors while feeling depressed or hopeless.