Although CTS Wholesale Sunglasses is focused on sunglasses, we're also passionate about sharing information to help people look after their eyes and avoid eye-related issues.
So, I'd like to start today by asking you a question: Have you noticed how often you hear people complain that they had a bad night’s sleep? It’s something I hear all the time, yet that never used to be the case. In this post, I’d like to share one of the culprits, which I believe is contributing to the sleep problems that seemingly effect so many people.
One huge change in the past decade has been the mass adoption of smartphones and tablets. We use them to connect with friends on social networks, watch movies, stay up to date with the news and read books, etc. And in many cases, we use these devices either shortly before we go to bed or in bed, just before we go to sleep.
Over the past year, I have been studying a side-effect that can be caused by looking at digital displays late in the evenings. And it’s all down to something known as blue light.
Blue light is very similar to the kind of light, which comes from the sun. It’s also emitted from the screens on computers, smartphones and tablets. The challenge here, and something which some studies have confirmed, is that the blue light sent to our eyes from our digital screens is fooling our brain into thinking it’s daytime. A growing number of people now believe that this could be what’s making it so hard for many of us to sleep.
Thankfully, there are a couple of solutions:
- Stop looking at your devices for at least 2 hours before you go to bed. That’s not particularly useful if you like to read before bed and, like me, choose to use a tablet rather than paper books.
- Wear blue light blocking glasses.
If the idea of not looking at your favorite device for a couple of hours before you go to bed doesn’t appeal to you, there are a number of companies now selling glasses, which block blue light.
Sunglasses that block blue light
Note: I wrote earlier this year about other possible eye problems, which could be related to blue light and might be reduced or even eliminated through blue light blocking sunglasses.
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