reflecting unconscious mental function in a psychoanalytic way.cognitive simulation of real life experiences, as dreaming is a subsystem of the waking default network, the part of the mind active during daydreaming.offline memory reprocessing, in which the brain consolidates learning and memory tasks and supports and records waking consciousness.consolidating and processing information gathered during the dayįrom evidence and new research methodologies, researchers have speculated that dreaming serves the following functions:.interpreting random signals from the brain and body during sleep.representing unconscious desires and wishes.Are dreams merely part of the sleep cycle, or do they serve some other purpose? There are several theories about why we dream. Dreams: Do they represent our unconsious desires?