Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.

Blue-light-blocking glasses reduce how much blue light from electronic devices reaches your eyes. But it’s unclear how beneficial this actually is. You’re probably doing it right now — looking at a ...

Your tablet, smartphone, laptop, and flat screen TV all have one thing in common: They each give off blue light. You may know them by the acronym ROY G BIV. Together, they make the white light you see ...

Welcome to Sleep Week, which we’re devoting to all the things that help us get better shut-eye. We’re talking to experts and testing products ourselves to get those precious eight hours a night. You ...

Do you ever think about what staring at screens does to our eyes all day? Harvard Health Publishing investigated blue light and its effects on our sleep and health. Our eyes are continually taking in ...

If you’ve ever suffered from dry, irritated eyes or struggled to fall asleep after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking glasses.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? At the simplest level, different colors of light have different wavelengths.

Current relationship status: in a domestic partnership with my iPad, laptop, and iPhone. After shifting all areas of my life to digital (virtual happy hours, endless IGTV workouts), my screen time has ...