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What causes numbness in my fingers?

There are motor-type nerves that connect your brain to your muscles and send a signal from the brain to your muscles to tell them to move. Likewise, there are sensory-type nerves that connect to your brain, and send signals from your skin to your brain that give you the sensation of touch and if an object is hard or soft, and if the object is hot or cold.

If a nerve is pinched, compressed, or damaged, the signal from that part of the skin cannot reach the brain and the brain interprets this as “numbness." So if someone “slept funny” for example, they slept with their wrist bent and trapped underneath them for several hours, they might wake up and realize their fingers and hand are numb. However, after straightening out the wrist, the nerve will no longer be compressed and go back to normal sensation.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.