Waking up with frizz? It’s likely your pillowcase. Cotton creates friction that...

https://mag-wiki.win/index.php/What_is_a_Realistic_Timeline_to_See_Less_Frizz_from_Overnight_Changes%3F

Waking up with frizz? It’s likely your pillowcase. Cotton creates friction that causes breakage. Try switching to silk, or simply gather your hair into a loose, low braid before bed. These habits really help in keeping your hair healthy while you sleep.