https://www.psypost.org/2023/09/rem-sleep-and-the-science-of-dreams-a-deep-dive-into-the-unconscious-mind-213078
Dreams and nightmares, most vivid during REM sleep, are influenced by factors like age, exercise, temperature, and cortisol levels, serving physiological and cognitive purposes like brain "cleaning" and memory consolidation. While scientific understanding of …
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