Dozing off with our contact lenses in is all too easy sometimes, especially after a long day. But sleeping with your contacts in is actually super dangerous. According to LiveScience, about one-third of contact lens users report napping or sleeping with contacts in, but according to research, sleeping with your contacts lenses in can lead to some scary eye injuries. In a study published by the National Institutes of Health (NIH), researchers think they may have pinpointed why sleeping with contacts in is so dang risky. Apparently, the risk of corneal infections is scary high when it comes to sleeping with contacts in, and the risk is even higher if contacts are kept in overnight.

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