Ever wake up fighting a bird-nest? That is just friction against your...

https://www.4shared.com/office/RJmubNyege/pdf-7073-15703.html

Ever wake up fighting a bird-nest? That is just friction against your pillowcase. Swapping to silk or a loose top-knot stops frizz and tangles before they start. It is a simple, practical habit that saves your hair from breakage while you sleep.