Psychological / emotional perspective: Manic behaviour, such as hyperactivity, in dreams suggests that the emotions are having a bad effect on us and causing us to be out of control.
[1]Mania suggests behaviour that is without reason, and previously was thought to be a visitation by the gods or spirits. In dreams such behaviour is a warning of spiritual overload.
[2]Material aspects: In dreams, a maniac is a personalization of that destructive part of our personality that is not properly under control.
[3]