Daytime headaches do not hurt when you sleep at night, and are generally considered to be caused by migraines, tension headaches, and low cranial pressure headaches. 1. Migraine or tension headache: due to too much pressure, too much mental tension, bad rest, lack of sleep, bad emotional stimulation, etc., can cause migraine or tension headache, the pain symptoms can be relieved at night, so daytime headache will not hurt at night when you sleep. 2. Low cranial pressure headache: usually in the daytime standing headache, sleep at night in the lying state, the pain symptoms are immediately relieved, manifested as a daytime headache will not hurt at night sleep. If you have a headache during the day and don’t have pain when you sleep at night, you should learn how to relax properly, combine work and rest, and avoid headaches caused by mental tension or excessive pressure. If the headache symptoms are more serious, it is recommended to go to a regular hospital as soon as possible.