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What causes the sensation of “pins and needles” when your foot “falls asleep”?

Peripheral Nervous System: Somatic Nervous System Read more from
Chapter Nervous System

Local pressure, such as crossing or sitting on your legs, may temporarily compress a nerve, removing sensory and motor function in your foot. When the local pressure is removed, the familiar feeling of “pins and needles” is felt as the nerve endings become reactivated.

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