The expression “falling asleep” refers to the uncomfortable feeling of numbness and tingling, often accompanied by a temporary loss of sensation or reduced movement in a body part.
The limbs—especially hands, arms, feet, and legs—are most commonly affected.
Paresthesia usually occurs when nerves are compressed or blocked for a certain period of time. This can happen when:
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You sleep with your hand under your head
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You sit cross-legged for too long
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You remain in the same position for an extended period
Changing your position usually restores normal sensation quickly.
Common Causes of Body Parts “Falling Asleep”
Several factors can lead to paresthesia. The most common causes generally fall into three main categories:
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Nerve compression
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Circulation problems
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Underlying health conditions
1. Nerve Compression
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