Numbness of the right hand in the middle of the night: first of all, it can be considered to be caused by cerebrovascular disease, mostly ischemic cerebrovascular disease, due to the slowing down of blood flow at night when people are sleeping, and the patient can develop ischemic cerebrovascular disease if he/she has the basis of arteriosclerosis. General ischemic cerebrovascular disease caused by the right hand numbness, can also be accompanied by other neurological deficit symptoms, such as dizziness, elevated blood pressure, headache, aphasia, dysphasia, or the right side of the lower limbs numbness and weakness of the symptom, you can check the head CT or MRI to confirm the diagnosis, and can be active in the treatment of cerebrovascular disease. Secondly, the numbness of the right hand in the middle of the night can also be seen in cervical spondylosis, due to the degeneration of cervical intervertebral discs or osteoporosis, a long time at night in a position to sleep, resulting in cervical intervertebral discs around the soft tissues or the nerve root is compressed, the patient can appear numbness of the right hand. Numbness of the right hand caused by cervical spondylosis is usually alleviated by morning activities, if necessary, you can check the cervical spine MRI to confirm the diagnosis, you can pay attention to cervical spine health care, do cervical spine exercises and traction, acupuncture and other treatments.