People who sleep on side enable brain to Detox better
Those who sleep on their side, as opposed to on their back or front, appear able to clear our more of the day's chemical clutter from their brain while they rest.
Researchers say that given that many more humans and animals sleep on their side, this could be an evolutionary way to try and protect the brain from disease.
It has already been established that while we sleep, the brain is hard at work removing toxins produced during our waking hours.
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