Ever wake up with a bird-nest? That is just friction working against you all...

https://www.pfdbookmark.win/ever-wake-up-looking-like-you-ve-been-through-a-wind-tunnel-after-nine-years

Ever wake up with a bird-nest? That is just friction working against you all night long. Constant tossing creates frizz and those stubborn tangles that wreck your ends