How do you keep your hair out of your face when you sleep?

Question

I usually apply overnight face masks so I really don't want to get it in my hair but tying it up never seems to stay up

Answer

I wear a beanie to bed :)

Answer

I always shower and sleep with a French braid in!

Answer

I leave my hair down I get headaches if I keep my hair up when I sleep

Answer

Plait your hair or do a top knot