Side sleep arm numbness may be physiological factors, may also be pathological factors, such as carpal tunnel syndrome, nerve root cervical spondylosis.
1. Physiological factors: when sleeping on the side, due to the compression of the arm, the arm will appear blood circulation, after a period of time will cause numbness in the arm, then you can adjust the sleeping position, avoiding the arm has been compressed.
2. Carpal tunnel syndrome: this is a nerve compression disease. Sleeping on the side if the pressure to the wrist, carpal tunnel pressure increases easily caused by the median nerve injury, it is easy to appear arm numbness.
3. Neurogenic cervical spondylosis: this disease is due to degenerative changes in the cervical spine, resulting in intervertebral discs, intervertebral joint hyperplasia and other lesions, the lesions will stimulate or compress the surrounding cervical nerve roots, sleeping on the side, the nerve can be more pronounced compression, resulting in numbness of the arms of patients, pain, stiffness and other clinical symptoms.
Side sleep arm numbness exclude physiological factors, should be timely to the hospital, identify the cause of the disease, and actively cooperate with the doctor treatment.