Wake up with less frizz by swapping your cotton pillowcase for silk to minimise...

https://wiki-byte.win/index.php/How_Do_I_Keep_Long_Hair_From_Getting_Rough_and_Dry_Overnight%3F

Wake up with less frizz by swapping your cotton pillowcase for silk to minimise friction while you sleep. If your hair is long, try a loose braid or bun