Many people use their electronic devices, including phones, tablets, and computers, for extended periods. Companies now sell screen protectors that reportedly block blue light and benefit eye health.

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Sleep scientists are changing how they think about screen use at night. By Caroline Hopkins Legaspi Experts have long warned about the dangers of blue light before bed. When exposed via smartphones, ...

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Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

To many people in the modern digital era, it is a habit to go through their phone before sleep. However, does your phone have blue light that is ruining your sleep? Studies have shown that exposure to ...

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial ...

If you use your phone or tablet at night as much as most people, then you’re probably used to struggling to get to sleep. Studies show that staring at screens during the night can trick the brain into ...

We’re staring at our devices more than ever, and besides eating up our time, they’re giving off tons of light. Blue light has gotten an especially bad rap, but that’s not quite fair: It’s just one ...