We spend a fortune on salon treatments only to undo it all while we sleep....

https://meet-wiki.win/index.php/The_10:30_PM_Reality:_A_Realist%E2%80%99s_Guide_to_Managing_Fine_Hair_Tangles

We spend a fortune on salon treatments only to undo it all while we sleep. Cotton pillowcases are rough, causing friction that leads to frizz and those annoying morning tangles