There are many reasons for waking up with numb hands, such as improper sleeping posture, acute cerebrovascular disease, carpal tunnel syndrome, radicular cervical spondylosis, diabetes and so on.
1. Improper sleeping position: such as sleeping on your stomach, sleeping pressure on the upper limbs, etc., the end of the limbs due to the long time blood supply is not good, there can be numbness of the hands, upper limbs and other symptoms, get up and move the upper limbs, numbness of the hands will ease the symptoms.
2. Acute cerebrovascular disease: due to slow blood flow during sleep, if there is hypertension, cerebral atherosclerosis and other underlying diseases, it is likely to induce acute cerebrovascular disease, resulting in waking up with numbness in the hands, accompanied by dizziness, headache, slurred speech and other symptoms.
3. Carpal tunnel syndrome: this is a nerve compression disease, mainly due to the narrowing of the carpal tunnel lumen or increase in the contents of the lumen, resulting in compression of the nerve. Typical symptoms are numbness in the hands after sleeping, or even waking up with numbness, which will be relieved after activities.
4. Nerve root cervical spondylosis: the nerves that innervate the sensation of the upper limbs are issued from the cervical vertebrae, so if cervical spondylosis or cervical disc herniation compresses the nerve roots, it will cause numbness of the arms and hands. Sleeping, if the posture is not suitable or pillow is not suitable, just compressed to the nerve, will also cause waking hand numbness.
5. Diabetes: hand numbness after waking up may also be a chronic complication induced by the long-term course of diabetes patients, mainly in the limbs, such as symmetrical numbness, tingling and burning sensation in the feet or hands.
The symptoms of hand numbness after waking up, it is recommended to go to the hospital to determine the cause of the disease to take standardized treatment.