Pain
Ask the doctor: What causes tingling hands at night?
This is most likely to occur if you sit or lie with your hands in one position for a long time—a situation that's naturally most common during sleep. Certain conditions—for example, rheumatoid arthritis and hypothyroidism—can contribute to the symptoms you describe. So can heavy or repetitive work with your hands. Your symptoms could also be an early sign of carpal tunnel syndrome, which is caused by pressure on the median nerve at the wrist.
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