Ever wake up with a bird-nest of tangles? That is just friction from your...

https://www.female.com.au/why-more-australian-women-are-rethinking-their-night-time-hair-care-routine.htm

Ever wake up with a bird-nest of tangles? That is just friction from your cotton pillowcase. Switching to silk is the easiest way to protect your hair while you sleep. It stops the frizz and keeps your ends smooth