After years behind the salon desk, I have seen the damage a cotton pillow...

https://griffinphut760.theglensecret.com/why-does-my-hair-look-fine-at-night-but-puffy-in-the-morning

After years behind the salon desk, I have seen the damage a cotton pillow causes. It is all about friction. That tossing and turning creates the frizz and tangles you battle every single morning. A simple nightly habit really does save your hair.