Waking up in the morning with numb hands may be related to prolonged pressure on the hands, neck diseases, insufficient blood supply to the brain, cerebral thrombosis and other reasons. 1. Healthy people who keep a position for a long time in sleep, due to blood vessel pressure caused by ischemia and hypoxia of the hand, there will be a short period of hand numbness in the morning when you wake up. 2. Hand numbness can also be caused by some diseases, neck diseases such as cervical spondylosis, due to the pressure on the nerve roots, can cause numbness of the hands or upper limbs, pain, sensory loss and other manifestations. 3. Insufficient blood supply to the brain can be related to heart disease, metabolic syndrome, low blood pressure, rheumatic immune diseases, etc., patients may have sensory dysfunction such as one side of the limb numbness and spasm, facial numbness and other manifestations. 4. Cerebral thrombus embolism can be limited brain tissue ischemic necrosis, different parts of the performance of different symptoms, can cause limb numbness, pain, hyperalgesia and other somatosensory disorders. Repeated symptoms of hand numbness in the morning should go to the regular hospital in time, after the doctor to clarify the cause of the disease, to give targeted treatment, so as not to be detected in time, the emergence of stroke and other dangerous diseases, endangering the life and quality of life.