Anne Truong MDMen's Sexual Health Doctor

This Is How Sleep “Exercises” Your Penis #shorts

22 Jan 2026 · 1 min

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During REM sleep, your body gets nocturnal erections that increase oxygen and blood flow to penile tissue, preventing scarring. It's a natural maintenance system that happens while you dream.

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When you're sleeping. It's mother nature way of exercising your making sure that you have enough oxygen so that way your doesn't become scarred down. The next part is that why do you have in the first place when you're sleeping is mother nature's way of stretching, bringing more blood flow and allowing you to kind of exercise the while you sleep. But it's only critical when you are in good quality sleep which is rapid eye movement which is when you dreaming.

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