Why do I get a pounding tension headache when I sleep with very wet dripping hair?
1. Introduction Sleeping with wet hair causes a rapid and prolonged drop in scalp temperature, which triggers reflexive muscle spasms in the neck and head. The localized cooling constricts blood vessels and places sustained tension on the muscles and fascia covering the skull. This mechanical strain irritates the trigeminal and occipital nerves, resulting in the … Read more