I like to sleep on my side, and I occasionally lay on my arm when I do. After a while, my arm becomes numb, and shifting causes it to tingle. The tingling is usually more intense if I’ve laid on it longer.
What would happen if I laid on my arm for a really, really long time?
In: Biology
It is due to compression or irritation of nerves, paresthesia.
If your arm wasnt getting blood or oxygen while you slept, that tissue would die instead of tingle.
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