Waking up with a bird’s nest? That is just friction from your pillowcase...
https://www.bookmarking-jet.win/ever-wake-up-like-you-fought-a-wind-tunnel-that-s-just-friction-standard
Waking up with a bird’s nest? That is just friction from your pillowcase causing those morning tangles and frizz. A silk case or a simple loose braid might sound like a small habit, but it really saves your hair overnight