Stop waking up with knotted hair. Standard cotton pillowcases create friction...

https://www.coast-bookmarks.win/stop-waking-up-to-a-bird-s-nest-standard-cotton-pillowcases-cause-unnecessary

Stop waking up with knotted hair. Standard cotton pillowcases create friction that leads to breakage. While silk is a kinder alternative, simply pulling your hair into a loose, soft braid or a silk scrunchie is the easiest way to prevent damage overnight