10 Disgusting Things Your Body Does While You Sleep (To Keep You Alive)

You think you are resting, but while you dream, your body is actually running a biological horror show. From microscopic arachnid orgies on your face to your brain literally eating its own memories, we uncover the disgusting, slimy, and absolutely vital mechanisms that keep you alive while you sleep.

Sweet dreams are made of... mucus, mites, and waste bricks?

ABOUT THIS VIDEO: In this episode of Odd Whys, we dive deep into the gross biology of human sleep. We often view sleep as a passive state, but it is actually a period of high-intensity biological warfare. Your immune system, digestive tract, and neurological pathways engage in a "cleaning cycle" that involves some truly revoltings processes.

We explain the science behind "REM Atonia" (why you don't act out your dreams), the truth about "Sleep Sand" (Rheum), and why waking up with bad breath is actually a sign your immune system is working. If you love fringe science, human biology, and weird facts, this deep dive is for you.

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