Sleeping hand numbness may be sleeping median nerve compression caused by the elderly hand numbness may be cervical spondylosis, due to cervical disc protrusion, cervical spondylotic hyperplasia, physiological curvature of the straightening, can be compressed nerves caused by numbness, there will be limb activity disorders, pain and other symptoms. Diabetic patients due to long-term blood sugar, lipid metabolism abnormalities, can cause upper extremity nerve endings lesions, microcirculation disorders, resulting in hand numbness. Stroke patients will also appear hand numbness, as well as dizziness, headache, light-headedness symptoms.