Waking up with tangles? It’s often down to friction. Rough cotton pillowcases...

https://wiki-cafe.win/index.php/Silk_vs_Satin_Pillowcase_for_Frizz:_Is_There_Really_a_Difference%3F

Waking up with tangles? It’s often down to friction. Rough cotton pillowcases stress your hair fibres, whereas silk offers a smoother surface. For an easy fix, swap your pillowcase or simply tie your hair into a loose, low braid or bun before bed