What causes numbness in the hands during sleep

Numbness of the hands while sleeping may be caused by physiological factors, cervical spondylosis, insufficient blood supply to the brain, carpal tunnel syndrome and other reasons.
1. Physiological factors: When sleeping, if you keep incorrect posture for a long time, resulting in prolonged pressure on the hand or arm, causing poor local blood circulation, it may cause numbness of the hand while sleeping.
2. Cervical spondylosis: patients with this disease sleep with an inappropriate pillow or sleeping posture, which can easily lead to local nerve root pressure, which may cause numbness of the hands, and may also be accompanied by stiffness of the neck, soreness and other symptoms.
3. Insufficient cerebral blood supply: If there is insufficient cerebral blood supply, it may cause numbness of the hands, and the slow blood flow in the body during sleep will aggravate the insufficient cerebral blood supply, which may lead to the aggravation of numbness of the hands, and it may be accompanied by dizziness, drowsiness and other manifestations.
4. Carpal Tunnel Syndrome: This disease is a nerve compression disease, which itself can cause hand numbness. And sleep due to improper sleeping posture, is likely to lead to local nerve compression, which leads to sleep hand numbness symptoms aggravated.
Sleeping hand numbness, exclude physiological factors, should be timely consultation, through further improvement of relevant examination, diagnosis of the cause, give targeted treatment.