Wake up suddenly right headache is considered to be due to tension headache, high blood pressure, sleep apnea syndrome and other causes, the specific causes of the disease should also go to the hospital in time for examination to confirm. 1. tension headache: before going to bed too much mental tension or emotional excitement caused by the fascia or muscle contraction of the scalp, if the sleep has been continued in a tense state, will lead to wake up suddenly right headache symptoms. 2. high blood pressure: if the quality of sleep is too high, the headache will be caused by the headache, the headache will be caused by the headache. 2. high blood pressure: if the poor quality of sleep or rest is not good, causing blood pressure fluctuations and increase the pressure on the cerebral blood vessels, it will lead to the symptoms of waking up suddenly right side headache. 3. sleep apnea syndrome: a kind of sleep snoring, apnea, daytime sleepiness as the main manifestation of the disease, if in the process of sleep apnea, so that carbon dioxide can not be discharged from the body in a timely manner, may lead to wake up a sudden right headache symptoms. Waking up with a sudden right headache can also be caused by upper respiratory tract infection due to cold during sleep, or intracranial lesions such as stroke. There are many causes of right-sided headache, we suggest that patients go to the hospital for examination and diagnosis, to clarify the cause of the disease, under the guidance of professional doctors, combined with their own situation for targeted treatment.