Wake up in the morning left hand numbness should be alert to ischemic cerebrovascular disease, radiculopathy, carpal tunnel syndrome.
1. Ischemic cerebrovascular disease: including transient ischemic attack, acute cerebral infarction, etc. At the time of onset, due to ischemia and hypoxia of brain tissues, it can be manifested as numbness of the left hand when waking up in the morning. Transient ischemic attack lasts for a short period of time, and usually returns to normal within one hour. The symptoms of acute cerebral infarction hand numbness are usually persistent. Head CT or MRI can assist in the diagnosis.
2. Neurogenic cervical spondylosis: due to incorrect sleeping posture, compression of local nerve roots in the cervical spine can lead to numbness in the left hand when waking up in the morning. It can be diagnosed with cervical spine CT or MRI.
3. Carpal Tunnel Syndrome: Sleeping with the hand posture can cause the median nerve of the wrist to be compressed, resulting in the symptom of waking up with numbness in the left hand in the morning.
There are many reasons for waking up in the morning with numbness in the left hand, and it is recommended that patients seek timely medical attention to identify the cause of the targeted treatment.