Whats so Bad About Blue Light?

Too long; didnt readMost LED lights are not dangerous to normal, healthy eyes*.LEDs can negatively impact your sleep and daytime energy if used inappropriately.But you can use blue light to your advantage. Its all about timing.

I promise this article will be really fun and informative if you actually read it.Fluorescent IncandescentYeah, I just threw dance music into a serious article. Light emitting diodes arent going to have such a catchy track written about them any time soon.

I digress. Incandescent and fluorescent are old news. You cant even buy most incandescents anymore.Incandescents have had an incredible run, but, regrettably, theres no room for such energy-sucking lamps in the modern world.

Los Angeles TimesSayonara, energy suckers. Were here to talk LED.Blue (Da Ba Dee)Why is everyone freaking out about blue LEDs? That LED bulb I just got is white, not blue. Just like an old energy sucker.Heres why: those light bulb factories in China are employing magic to make that thing look white. Underneath, its all blue.

Ill make it easy for a mere muggle to understand. The thing that initially lights up in an LED is blue and blue only. Well call it a blue pump.Its so blue, it hurts to look at. Not even joking. You shouldnt try it.On top of the blue pump, those LED factory wizards apply this yellow thing. Its called a phosphor.

The phosphor takes the light from the blue pump and spreads it out into white light. Kind of like a prism, but in reverse. Kind of not really.Phosphor color conversion actually involves photons, which are pretty mystical. I havent thought of a good analogy for this process yet. You can research how it works on your own.Lets keep this on the topic of blue light.Remember from science class, all the colors of light add up to white? Including blue.

The phosphor doesnt get rid of blue light. Its still there in the white light output.But as long as youre not staring directly at the light, most LED lights are not dangerous to normal, healthy eyes*. LEDs are no more hazardous than other light sources, including incandescent.Just dont stare at lights. And use shades when lights are too bright.All of the LightsSo if most LEDs are not dangerous to most healthy people, whats the big deal?You see, these new-fangled lights are everywhere, all the time.

In Paleolithic times, day was day and night was night. Nighttime illumination came from only two sources: fire and moonlight.Our bodies evolved a sensing mechanism just to detect when it was daylight and when it was not. Like it or not, we still have those daylight sensors in our eyes and they still work.Those eye sensors are only triggered when there is blue light. Lets lay the inputs out clearly:Daylight: Lots of bright, blue lightMoonlight: Dim light with some, but much less, blueFirelight: Dim to bright light, but little to no blueModern artificial lights and electronic screens: Dim to bright light with significant blueWhen there is significant blue light, the sensors send a message to the body clock that it is daytime.

The body clock regulates when we feel tired and when we feel awake. And it plays a major role in many other important body processes.Im no luddite, and I wouldnt want to return to any earlier time than right now. I think people should use technology more, not less.But we must realize that all these lights and displays are telling our bodies that it is daytime all the time.Its like perpetual jet lag. Or working a different shift every day. And its suboptimal for our health.Slave to the RhythmWhat are we supposed to do, then?It turns out we can use blue light to our advantage.

Remember, the body block tells us when to be awake and when to feel sleepy. Its critical for a number of other functions crucial to our health. Everybody has one.Another name for the body clock? The circadian rhythm.

Rhythm. Can you sense a theme here?The circadian rhythm works best when it gets a lot of blue light in the early-to-mid part of the day. It also works best when there is little or no blue light at night.What are sources of significant blue light?Old-fashioned daylightBright LED lightingCool white LED and fluorescent lightingElectronic displays without color filtersAnd what are some ways to minimize blue light?Dimming or turning off lightsUsing night lights or accent lights instead of the regular lightsColor filter apps like f.

lux and Night ShiftBlue-light blocking glassesBlackout window shadesSleep masksUse the sources of significant blue light earlier in the day. Transition toward the methods of reducing blue light in the evening.Its that simple.Youll feel better, and your circadian rhythm will thank you.

Thanks for reading. If you liked this article, please hit the clap button above and share with your friends. I also encourage you to leave a comment, sign up for my email newsletter, or contact me directly.*If you have an ocular medical condition, you may need to take additional precautions around light. This statement applies to all light sources, natural and artificial. Consult your doctor. I am not a doctor and dont play one on the internet

·RELATED QUESTION

I have a 12watt all Blue LED light. how many plants can this grow?

idk never tried growing weed before

Whats so Bad About Blue Light? 1

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