Waking up with tangled hair? Cotton creates friction, damaging strands...

https://web-wiki.win/index.php/How_Do_I_Keep_My_Hair_From_Tangling_If_I_Sleep_With_It_Loose%3F

Waking up with tangled hair? Cotton creates friction, damaging strands overnight. Switching to silk helps hair glide, minimising breakage. For an easy habit, try securing your hair in a loose, silk-scrunchie topknot before bed