Stop waking to a bird's nest. Constant friction from cotton causes frizz and...

https://technivorz.com/how-to-stop-waking-up-with-frizzy-hair-a-sydney-beauty-editors-guide/

Stop waking to a bird's nest. Constant friction from cotton causes frizz and stubborn morning tangles. Small habits, like a silk pillowcase or a loose braid, protect your hair while you sleep. It is an easy way to keep locks smooth