"We dream primarily the same way that we have consciousness of the world for the same reason. Basically, that our brains evolve to simulate reality and to control what's happening around us."

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There is only one essential difference between consciousness and dreaming, and that is sensory input. Your experience is a dream, so is my experience. This stuff about how the frontal cortext is repressed during dreaming. Lucid dreaming presents an obvious contradiction to it. The only difference is sensory input.

— Stephen LaBerge