The symptoms of hand numbness after waking up, caused by the following main causes: 1, incorrect sleeping posture, such as sleeping on the stomach, sleep compression of the upper limbs, etc., the end of the limbs due to poor blood supply for a long time, can appear hand numbness, upper limb numbness and other symptoms, get up after the activity of the upper limbs, hand numbness symptoms can be improved, without treatment, to maintain a good sleep posture can. 2, cervical spine disease is a degenerative change in the cervical spine. The protruding intervertebral disc compressing the brachial plexus nerve can cause numbness in the upper limbs and other uncomfortable symptoms, cervical spine disease and long-term poor sitting posture, long-term sedentary. 3, lipid abnormalities can cause slow blood flow, blood flow is even slower in the sleep state, resulting in insufficient blood supply to the ends of the limbs and cause numbness, dizziness and other uncomfortable symptoms, usually avoid sedentary, light diet, appropriate exercise.