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At Earth.com, our goal is to provide the internet with a homepage for anything and everything about our planet Earth and the environment.

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earth.com > science > rem-sleep-energy-paradox

Vivid dreams may drain the brain’s energy during sleep

3+ week, 4+ day ago   (955+ words) During REM sleep, blood flow increases while energy inside neurons drops, revealing a surprising paradox linked to vivid dreams. Some mornings you wake from a vivid dream more tired than when you fell asleep. Sleep is supposed to leave you…...