Wake up with less frizz by tweaking your sleep setup. Cotton causes friction...

https://bizzmarkblog.com/do-i-need-silk-to-reduce-frizz-or-can-i-just-change-my-habits/

Wake up with less frizz by tweaking your sleep setup. Cotton causes friction that damages hair overnight. Try a silk pillowcase and secure your locks in a loose plait to prevent breakage while you snooze. It’s an easy way to protect your hair’s condition.