What Is Ulnar Tunnel Syndrome? Ulnar tunnel syndrome is pain, tingling, or numbness in your hand, caused by a pinched nerve in your wrist. It isn’t pleasant, but treatments and simple changes to ...

Waking up with numb hands is typically a sign of an issue with the circulation or the nerves in the arms. This can be due to falling asleep on the arms or with the hands in an awkward position.