Stop sleep friction from damaging your hair. Cotton pillowcases tug at strands,...

https://zulu-wiki.win/index.php/Why_Does_My_Hair_Tangle_at_the_Back_of_My_Head_Overnight%3F_(And_How_to_Stop_It)

Stop sleep friction from damaging your hair. Cotton pillowcases tug at strands, so swapping to silk helps. For long hair, a loose braid or silk scrunchie keeps things smooth overnight. It’s an easy, low-effort way to wake up with less frizz.