Have you ever woken up with a hand that feels as though it has gone to sleep? Sometimes the sensation disappears after changing position. But when numbness or tingling happens repeatedly, it may be worth paying attention.
1. Sleeping on your arm, Pressure on nerves or blood vessels while sleeping can cause temporary tingling. Changing position and gently moving the hand usually helps the sensation disappear.
2. Carpal tunnel syndrome
The median nerve passes through a narrow space in the wrist called the carpal tunnel. When this nerve becomes compressed, a person may experience numbness, tingling or weakness in the thumb and some fingers.
3. Diabetes-related nerve damage
High blood sugar over time can damage nerves. This may cause tingling, burning or reduced sensation, often beginning in the feet but sometimes affecting the hands.
4. Vitamin B12 deficiency
Vitamin B12 helps maintain healthy nerves and blood cells. A deficiency can cause numbness, tingling, weakness and other symptoms. A healthcare professional can arrange testing if necessary.
5. Neck problems
Nerves that travel from the neck into the arms can become irritated or compressed. This may cause pain, tingling or numbness that travels down the arm into the hand.
6. Certain medications or other conditions
Some medicines and medical conditions can affect nerves. If the symptom begins after starting a new medicine, discuss it with your healthcare professional rather than stopping the treatment yourself.
Final thoughts
Occasional tingling after sleeping awkwardly is often temporary. However, persistent or worsening numbness deserves medical assessment. Sudden numbness or weakness on one side of the body, especially with facial drooping, speech difficulty or confusion, may indicate a stroke. Seek emergency help immediately.
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