early 15c., from Middle French lesion, from Latin laesionem (nominative laesio) injury, from past participle stem of laedere to strike, hurt, damage, of unknown origin. Originally with reference to any sort of hurt, whether physical or not.
Most migraines last about 4 hours, but severe ones can last up to a week. How often they happen differs for everyone, but itâs common to get two to four headaches per month. Some people may get migraines every few days, while others get them once or twice a year.
A Univ. of Nev. How long a cluster headache lasts varies widely from person to person. Some people may experience several cluster headaches in the course of a day, lasting 15 minutes to 180 minutes. Or they may experience one cluster headache every other day, lasting 180 minutes, or anything in between that. Helpful?