Why do you sleep with your eyes half open?

We know that in daily life, many people will show this situation, this is eyelid skin closure is not complete, if there is no damage to the eyes, especially will not cause exposure keratitis or dry eye disease, this is not the need for special treatment, but if there is corneal damage or conjunctival infection or inflammation, this must be actively treated. We know that the contraction and relaxation of the eyelid skin is due to the relaxation and contraction of the levator palpebrae muscle and orbicularis oculi muscle. In this case, if the eyes are in a state of incomplete eyelid closure, we must go to the hospital to see what causes it. It is due to the problem of the eye nerve, or due to the problem of the eye muscle. After this discovery, we must treat it as soon as possible, and the effect is still very good.