The right half of your head hurts, which may be related to lack of sleep, or due to migraine, high blood pressure and other reasons. 1. Lack of sleep: especially the long-term existence of the bad habit of staying up late, resulting in poor sleep quality and insufficient sleep time. As the brain can not get enough rest for a long time, it is easy to cause brain dysfunction, then it may show the right half of the head pain, may also be accompanied by head heavy, dizziness and other symptoms. 2. Migraine: When migraine attacks, it can lead to paroxysmal, throbbing pain on one side or both sides of the head, which may show the right half of the headache, and may be accompanied by nausea, vomiting and other symptoms, which is usually due to genetic factors, environmental factors, dietary factors and other reasons. 3. Hypertension: Especially in people with a history of hypertension, due to fluctuations in blood pressure, when the blood pressure rises by a large margin, resulting in a significant increase in the pressure inside the cerebral blood vessels, which will continue to stimulate the meninges, it may show the right half of the head pain, which may also be accompanied by dizziness, nausea, vomiting and other symptoms. The right half of the headache may also be related to other factors, if the symptoms never get better, it is recommended to consult a doctor as soon as possible to prevent delays in the condition.