The act of kissing strengthens the emotional bond between couples, but when one of you keeps your eyes open during the kiss, it might raise some eyebrows. Not everyone closes their eyes while ...

Why do people sleep with their eyes open? With as many as one in five of us unable to fully close our eyes to sleep, nocturnal lagophthalmos is a pretty significant sleep and eye disorder.

Among the many nuances of this tender exchange, one particular behavior often raises questions – when someone keeps their eyes open during a kiss. This unexpected gesture can trigger curiosity ...

"Usually when people open their eyes underwater, the [eyes] begin to feel irritated and they will close their eyes pretty quickly," Wachler said. When swimming in pool water, the chlorine can ...

You might be surprised to hear that some people sleep with their eyes open. And it's more common that you'd expect. About 20% of people do it, including babies. Many people who sleep with their ...

Associate Professor of Optometry and Vision Science, University of Plymouth If you’ve ever swam underwater with your eyes open, you have noticed that your eyes sting a bit afterwards.