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Blue light is a type of visible light that is emitted from the devices you use every day, including your smartphone, tablet, and computer. Because this is a short wavelength of light that produces a high amount of energy, our bodies tend to associate blue light with daytime. And because it pushes your internal clock later and later, exposure to blue light (like looking at your phone or Netflixing in bed) makes it harder for people to fall asleep.

In an ideal world, that means you should put down your devices well before it’s time to sleep. But that’s the ideal, and likely doesn’t happen often for many of us who are always connected to technology one way or another. That’s where blue-light-blocking glasses come in.

Visit: Best Blue Light Blocking Glasses