The medical term for sleeping with eyes open is nocturnal lagophthalmos. It can stem from various health conditions, such as a stroke. Up to 5% of people are affected by nocturnal lagophthalmos. In ...
Did you know that there are different types of eyelids? If you have double eyelids, you can probably see creases in your eyelids when your eyes are open. If, on the other hand, you have monolids, or ...