Numbness in half of the head may be caused by physiological factors, cervical spondylosis, vegetative nerve dysfunction, cerebral infarction and other reasons.
1. Physiological factors: such as staying up late for a long time, resulting in poor sleep quality and insufficient sleep time, or sleeping for a long time to keep one side of the lying position, resulting in a long time of pressure on one side of the head, etc., may cause numbness in one half of the head.
2. Cervical spondylosis: the normal physiological curvature of the cervical spine of patients with this disease changes, easily leading to local vascular compression, resulting in insufficient blood supply to the vertebral basilar artery, which may cause numbness in one half of the head, and may also be accompanied by dizziness, neck pain and other symptoms.
3. Phytoneurological dysfunction: this disease can lead to neurological dysfunction and autonomic nervous system disorder, which may cause numbness in half of the head, and may be accompanied by insomnia, dizziness, palpitations and other manifestations.
4. Cerebral infarction: cerebral infarction can involve the spinal cord thalamic tract, may appear half of the head numbness symptoms, may also be accompanied by numbness and weakness of the body.
Half of the head numbness, exclude physiological factors, should go to the regular hospital as soon as possible.