It’s become a virtually unchallenged piece of conventional wisdom that exposure to blue light—the type emitted by electronic device screens—is bad for sleep. That thinking has spurred a mini-industry ...

Blue light protection technology is becoming popular for protection from light emitted by computer, smartphone, and tablet screens, as well as televisions and even energy-efficient LED lights. While ...

In the study, researchers looked at what happened to fruit flies that were exposed to 12-hour stretches of blue LED light each day. The light damaged both eye cells and brain cells in the flies and ...

Staring at an electronic device for hours each day is something many of us do. Whether it’s work-related computer use, social scrolling on your smartphone, or streaming your favorite show on a tablet ...

Blue light from LED lamps and consumer electronics can mess with your sleep because it disrupts production of the natural sleep hormone melatonin. Tinted glasses or displays in night mode can mask, ...

Blue light is a shorter-wavelength colored light found in everything from traditional light bulbs to computer and smartphone screens. Blue light is good for your body during the day, but at night blue ...

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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 ...

Blue light is part of the visible light spectrum. Exposure to blue light can affect sleep quality, alertness, hormone production, mood, and more. Blue light could also contribute to headaches, but ...

What is blue light? “All the light we see is made up of different wavelengths of light,” says Vivienne Sinh Hau, MD, an ophthalmologist at Kaiser Permanente in Riverside, California. “Certain ...