Waking up with frizzy hair? It’s usually friction against your pillowcase....

https://theaustralianpost.com.au/protecting-hair-while-sleeping/

Waking up with frizzy hair? It’s usually friction against your pillowcase. Cotton absorbs moisture; silk lets strands glide. Try using a silk pillowcase and a loose, low braid at night. These simple habits help maintain your hair’s natural lustre.