Waking up with bedhead? It’s usually down to friction against your pillowcase....
https://wiki-nest.win/index.php/How_Do_I_Sleep_With_Wavy_Hair_Without_It_Going_Fluffy%3F_The_Ultimate_Guide
Waking up with bedhead? It’s usually down to friction against your pillowcase. Standard cotton can snag hair, so try a silk or satin case to let strands glide. A loose, low braid or silk scrunchie also helps prevent breakage while you sleep