Waking up with bedhead? It’s usually down to friction against your pillowcase....

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

Waking up with bedhead? It’s usually down to friction against your pillowcase. Standard cotton can snag hair, so try a silk or satin case to let strands glide. A loose, low braid or silk scrunchie also helps prevent breakage while you sleep