Yes, when you sleep, tiny things come out of your face. Your skin makes a little bit of oil, sweat, and even some dead skin cells. This is normal and happens to everyone. These things keep your skin healthy and help your body stay clean......See Full Story>>.....See Full Story>>
Also, your mouth makes spit, which is a kind of liquid that helps with digestion and keeps your mouth wet. So, when you wake up, you might feel a bit moist on your face, and that’s because of these things.
Sometimes, if you dream and feel strong emotions, you might even make tears without knowing it. Tears are like a natural way for your eyes to stay safe and wet.
So, it’s like a small process that happens naturally when you sleep, and it’s just your body doing its job to take care of you..