Waking up with knotty hair? It’s usually friction from cotton pillowcases....

https://www.paste-bookmarks.win/ever-wake-up-with-knotty-frazzled-hair-it-s-usually-down-to-friction-against

Waking up with knotty hair? It’s usually friction from cotton pillowcases. Switching to silk helps, but a loose braid is just as effective at protecting your ends overnight