Waking up with bed-head? That is just friction against your pillow causing...
https://juliet-wiki.win/index.php/Silk_Bonnet_World_Review:_Is_It_Actually_Worth_the_Effort_at_10:30_PM%3F
Waking up with bed-head? That is just friction against your pillow causing frizz and knots. A simple silk swap saves you styling time every morning. It sounds a bit extra, but your hair will thank you