Wake up with better hair by swapping your standard cotton pillowcase for silk...

https://wiki-mixer.win/index.php/How_Do_I_Sleep_With_Wavy_Hair_Without_It_Going_Fluffy%3F_The_Ultimate_Guide

Wake up with better hair by swapping your standard cotton pillowcase for silk to reduce nightly friction. If you’re prone to tangles, try a loose braid or a soft scrunchie instead of a tight bun