Pain in the back of the head may be related to lack of sleep, or may be caused by cervical spondylosis, hypertension and other reasons. 1. Lack of sleep: due to mental stress, poor mood, or often excessive late night, resulting in poor sleep quality, sleep time is seriously insufficient, the brain did not get enough rest, easily caused by brain dysfunction, it may show the back of the head pain. May also be accompanied by mental fatigue, weakness and other manifestations. 2. Cervical spondylosis: If patients with this disease fail to pay attention to good daily care and maintain an improper posture for a long time, it will easily lead to stiffness, tension and spasm of the neck muscles, which will cause tension and stimulation of the head blood vessels and nerves, and may cause back of the head pain, which may be accompanied by neck and shoulder pain, numbness of the upper limbs, weakness and other symptoms. 3. High blood pressure: when blood pressure fluctuates and rises, resulting in increased pressure inside the cerebral blood vessels, and will constantly produce stimulation to the meninges, it may show back of the head pain, may also be accompanied by dizziness, nausea, and even vomiting and other symptoms. Back of the head pain may also be caused by other reasons, if the symptoms continue to be unable to relieve, you should consult a doctor as soon as possible, after diagnosis, by the doctor’s guidance for treatment.