Consciousness and Dreaming
Initially, dreaming was thought to only occur in rapid eye movement sleep, though it is now known that dreaming may also occur during slow-wave sleep. Delta waves and delta wave activity are marked by an unconscious state, and the loss of physical awareness as well as the "iteration of information". Delta wave activity has also been purported to aid in the formation of declarative and explicit memory formation.
Read more about this topic: Delta Wave
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