Maslov s pyramid of needs peak reflects religions self-actualization. Jung talked of the collective unconscious all humans shared. Eastern meditation taught people of other mental states from which they could derive peace, contentment or nirvana. Nobel prize winning scientist, Francis Crick has a god-theory. Let's explore Crick's theory.
Reincarnation is the mystifying of DNA genetic reality.
The Chinese custom of examining bridal couple's ancestry also acknowledges this fact. Dreams are the process by which the nervous system, DNA and RNA and other neurotransmitters, conduct their business. The present person mixes the new person in with all the stored data, looking for a link or solution to a problem. This may account for the chaotic nature of dreams. When a match is found, the mind tries to impress the matched data to the present data.