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1. Dictionary

   blue light disco

   noun

   • 1. an alcohol-free dance for young people, organized as a community project by police: Australian "you picked up your moves to use at the blue light disco"

   Word Origin 1980s: from the blue light on the roof of a police car.

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   More definitions, origin and scrabble points

2. www.healthline.com › health › what-is-blue-lightWhat’s Blue Light, and How Does It Affect Our Eyes?

   www.healthline.com › health › what-is-blue-light

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   Apr 24, 2023 · Blue light is a short, high energy wave of visible light that comes from the sun, LEDs, and digital screens. Learn how blue light can affect your eyes, sleep, and health, and how to limit your exposure.

3. www.webmd.com › eye-health › what-is-blue-lightThe Science Behind Blue Light and Its Effects on Your Eyes

   www.webmd.com › eye-health › what-is-blue-light

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   Feb 12, 2024 · Blue light is located in a narrow band near an outer edge of the visible spectrum, with wavelengths close to those of ultraviolet light. Blue light triggers your eyes to react,...

4. Videos

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     What is Blue Light? How to Protect your Eyes from Your Devices - DIY in ...

     Apr 30, 2021

     6.9K Views

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     1:22

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     What is Blue Light?

     Feb 6, 2017

     38.5K Views

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     6:45

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     Here's What Blue Light Actually Does To Your Body

     Sep 13, 2020

     1.2M Views

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5. www.sleepfoundation.org › bedroom-environment › blueBlue Light: What It Is and How It Affects Sleep

   www.sleepfoundation.org › bedroom-environment › blue

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   Jan 12, 2024 · Blue light is a wavelength of light that can influence your circadian rhythms, alertness, and sleep quality. Learn how blue light from the sun, artificial lights, and electronic devices can disrupt your sleep and what you can do to reduce your exposure at night.

   • Video Duration: 3 min

6. www.health.harvard.edu › staying-healthy › blueBlue light has a dark side - Harvard Health

   www.health.harvard.edu › staying-healthy › blue

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   Jul 24, 2024 · What is blue light? The effect blue light has on your sleep and more. Although it is environmentally friendly, blue light can affect your sleep and potentially cause disease. Until the advent of artificial lighting, the sun was the major source of lighting, and people spent their evenings in (relative) darkness.

   • Location: 4 Blackfan Circle, 4th Floor, Boston, 02115, MA
   • Email: hhp_info@health.harvard.edu

   • Phone: (877) 649-9457

7. www.everydayhealth.com › wellness › what-is-blueWhat Is Blue Light? A Complete Scientific Guide - Everyday Health

   www.everydayhealth.com › wellness › what-is-blue

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   Apr 13, 2023 · Blue light is a type of visible light with short wavelength and high energy. It can be found in sunlight, screens, and other artificial sources. Learn how blue light can affect your sleep, eyes, and skin, and how to reduce your exposure.

8. www.allaboutvision.com › blue-lightBlue light: It's both bad and good for you - All About Vision

   www.allaboutvision.com › blue-light

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   Jan 3, 2020 · 1. Blue light is everywhere. Sunlight is the main source of blue light, and being outdoors during daylight is where most of us get most of our exposure to it. But there are also many man-made, indoor sources of blue light, including fluorescent and LED lighting and flat-screen televisions.

9. People also ask

   Is blue light a color?

   • Blue light, like other colors of visible light, is all around you. The sun emits blue light. So do fluorescent and incandescent light bulbs. Human beings are exposed to more blue light than ever because of the widespread use of devices that rely on light-emitting diode (LED) technology.

   What’s Blue Light, and How Does It Affect Our Eyes? - Healthline

   www.healthline.com/health/what-is-blue-light

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   Why is blue light important?

   • Blue light helps regulate your circadian rhythm, or wake-and-sleep cycle. Visible light is a form of energy and part of the electromagnetic spectrum. Radio waves, microwaves, X-rays, and other kinds of light are also part of the electromagnetic spectrum, but visible light is the only part of it human eyes can see.

   The Science Behind Blue Light and Its Effects on Your Eyes - WebMD

   www.webmd.com/eye-health/what-is-blue-light

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   Where does blue light come from?

   • “We see blue light in everything we do — it’s practically in everything,” Dr. Hau says. About one-third of all visible light is blue light. The most natural source is sunlight, but LED TVs, fluorescent lights, smartphones, tablets, and computers emit blue light, too.

   What Is Blue Light? A Complete Scientific Guide - Everyday Health

   www.everydayhealth.com/wellness/what-is-blue-light-a-complete-scientific-guide/

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   Is blue light a real thing?

   • 1. Blue light is everywhere. Sunlight is the main source of blue light, and being outdoors during daylight is where most of us get most of our exposure to it. But there are also many man-made, indoor sources of blue light, including fluorescent and LED lighting and flat-screen televisions.

   Blue light: It's both bad and good for you - All About Vision

   www.allaboutvision.com/en-ca/digital-eye-strain/blue-light/

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   What colors give off blue light?

   • It’s one of several colors in the visible light spectrum. The others are: You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light -- is shining. Fluorescent and LED (light-emitting diode) light bulbs also give off blue light.

   How Does Blue Light Affect You? - WebMD

   www.webmd.com/eye-health/blue-light-health

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10. www.webmd.com › eye-health › blue-light-healthHow Does Blue Light Affect You? - WebMD

    www.webmd.com › eye-health › blue-light-health

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    Sep 16, 2022 · Blue light is a color in the visible light spectrum with shorter wavelengths and higher energy than other colors. It can cause eye damage, sleep problems, and possibly increase cancer risk. Learn how to protect your eyes from blue light exposure.