Home Science The Smartphones’ light has adverse effects on your Eyes and Brain. Did you know?

The Smartphones’ light has adverse effects on your Eyes and Brain. Did you know?

10 min read

Don’t be too quick quick to get the latest smartphones, laptops, 4K, UHD TVs without also checking the adverse effects and risks we face from the light they emit. Our eyes and brains bare the brunt from our new found addiction. We tend not to pay attention to these details when making such purchase and after reading this post you have an idea on what you are up against.

Tech Habor takes a critical look at how Tech affects our health and also solutions to these problems.  Tech is the future but remember,  to make it to the future we all dream of,  you should also take a look at the harm we are causing to ourselves now.

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Lights for Smartphones, Laptops, TVs, etc

Credit: Skye Gould

According to a recent report by the Business Insider, there are some incredibly powerful effects of the blue lights that  designers add to the screens   of our smartphone, tablet, and laptop. The lights in these screens glow so bright that we can see them even during a sunny day. At night, they are bright enough that they have been compared to a dark room where daylight can peer through and light it up.

This why it is very dangerous to stare on your Smartphones at night with lights increased to full capacity.  The worst part is we all our kids to engage in this practice at a very young age.


Our bodies naturally follow a cycle that helps us stay awake and alert during the day and helps us get essential rest at night. But when we look at these screens as we are getting ready for sleep, our brains get confused. That light has a similar effect to the sight of the morning sun, which causes the brain to stop producing melatonin, a hormone that gives your body “time to sleep” cues. By disrupting melatonin production, a smartphones’ light can disrupt your sleep cycle like an artificially induced sort of jet lag. This makes it harder to fall and stay asleep and potentially causes serious health problems along the way.

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To combat this problem, app designers have created programs like f.lux and Apple’s Night Shift mode for iPhones, both of which adjust the light tones emitted by screens to remove bright blue light from the display at certain times of day. Many users swear by the effects of these apps and the orange tint they create does feel less harsh on the eyes. But while there’s some research indicating that the dimmer light may improve sleep, more study is needed on the topic in general.

And even if there is some improvement, many of the other things we do with our phones are also not conducive to sleep. If you are trying to get ready for bed and a late night work email pops up, that might wreck your sleep even more than shutting down your melatonin production might.

If you can bring yourself to do it, your best bet is probably to steer clear of screens in general before you fall asleep try to keep them out of your bed.  Also remember to turn off your phone when you decide to sleep to prevent any form of distractions.

We hope you found this article insightful. Please Share your experience with us. Your experience might help save someone. 

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