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How to Get Better Sleep, Cut Your Blue Light Exposure, and Reduce Eye Strain With Your Glasses

Monday, December 6, 2021  |  By Elisa Carlson

 Note: In this article, we’re going to take a look at what blue light is and why it can have such a negative impact on us, as well as some proven ways of reducing your exposure.

A study conducted at the University of California San Francisco, Stanford University, and the University of Rochester, NY found that blue light emitted by devices can lead to sleep problems, eye strain, and even a higher risk of obesity. 

What is Blue Light?

Have you ever tried to get good sleep, only to wake up the next morning feeling exhausted and unable to focus?

The cause might be digital blue light.

In fact, the blue spectrum light emitted by a computer, television, smartphone or tablet screen can actually interfere with your body’s natural circadian rhythms, which are meant to regulate our internal clock.

Our circadian rhythm is the reason we feel tired at night, not because it’s getting dark outside.

Why are blue lights so bad for us?

For years, most of us didn’t know that blue light could disrupt the body’s natural sleep cycle. Our brains and bodies are hardwired to respond to light signals in the color spectrum, and the colors that produce the most powerful responses—like red, yellow, and green—all fall in the visible range of the spectrum, which is around the wavelength of about 400 to 700 nanometers.

It's very important that we learn about blue light because many people think that blue light is good for them. This is not true. Blue light can disrupt our sleep cycle. When we use blue light before bedtime, it can mess up our body's circadian rhythm, or sleep cycle.

The effects of blue light on our health are just starting to be recognized by scientists. Blue light may also affect our eyesight and our heart health. 

If you have blue light in your home, it is important to turn off your computer, TV, and cell phone at least 30 minutes before you go to bed and/or use blue light blocking technology.

The Effects of Digital Blue Light on the Body

Many people are aware of the effects of blue light in the evening.

In fact, the International Agency for Research on Cancer (IARC) recently declared that exposure to blue light could be harmful. But the effects of blue light can also have a negative impact on our health.

The effects of digital blue light on the body aren’t as well-known, but the jury is still out on how to keep it to a minimum. There is, however, a lot of research that’s being done to help us understand the risks of blue light.

For instance, the World Health Organization (WHO) recently published a report on the risks of blue light on health and the impact of digital technology. According to the report, blue light affects the human circadian rhythm and has been associated with sleep disruption and obesity.

Some experts are saying that we should limit our exposure to blue light. In fact, some people say that we shouldn't use blue light after 10 p.m. because that's when the blue light from our phones can affect us the most. It can disrupt our sleep and make us feel more tired. 

The Impact of Blue Light on Sleep

Research from the University of Oxford found that the blue light emitted by screens affects the sleep cycles of people. People tend to have a harder time falling asleep when they’re exposed to screens, especially during the evening hours. 

According to a study published in the Journal of Clinical Sleep Medicine, the light emitted by screens prevents the release of the hormone melatonin, which is secreted by the pineal gland. The body’s response to the lack of melatonin is to make the body think it’s still daytime, resulting in a state of decreased energy and difficulty falling asleep.

Reducing Blue Light in the Evening

There are a variety of factors to consider when trying to find the right amount of blue light exposure. As you may have guessed, it is not simply a case of avoiding blue light at all costs. 

To achieve this goal, a better approach would be to cut down on your exposure to blue light in the evening hours. The ideal time for this is between 6 p.m. and 9 p.m. You should also use blue light blocking glasses or lenses to reduce eye strain.

Tips for Getting a Good Night’s Sleep

We all know the feeling: You’re exhausted and just want to lie down and sleep. But you can’t because your mind keeps racing and the next thing you know it’s after 2 a.m. and you’re lying awake, trying to figure out how you’re going to get through the next day.

It's well-known that sleep is important to good health, but how much is enough? The Institute of Medicine recommends that adults get 7-9 hours of sleep each night. 

You should set yourself up to be able to get a good night’s sleep. This is easier said than done, however. 

There are a few things you can do to make sure you get the rest that you need every night. 

First, have a good bed and bedroom temp. The right bed can help you relax and fall asleep faster. As a rule of thumb, sleep psychologist Michelle Drerup, PsyD, says to keep your bedroom at 60 to 67° F (15 to 19° C) and to think of your bedroom as your ‘cave.’ “It should be cool, dark and quiet to enhance your sleep.”

Second, limit your use of electronics in the hours leading up to bedtime. If you must use them make sure to get our blue light blocking lens clip-ons (or glasses).

Third, exercise regularly. The body is more productive after an hour or two of exercise and you'll sleep better. 

Finally, try to avoid caffeine. If you find you’re having trouble falling asleep at night, try avoiding caffeine after the morning hours. The "half life" of caffeine is 6-9 hours, meaning that half the dose of caffeine will still be impacting your body up to 9 hours later - which is why it can be hard to fall asleep after an afternoon cup of coffee.

In conclusion, Blue light is a type of light that can cause disruptions in sleep, eye strain, and other conditions. This can be a problem for people who spend a lot of time at the computer or looking at a screen, or even when using electronic devices for long periods of time in general.

If you’re looking to get more restful sleep, there are a few things you can do. The best thing you can do is to block blue light from your phone and computer screens. 

How can I protect my eyes from blue light?

Short of removing screens completely, there are products that block blue light and provide safer screen time. The bad part about these products is that you'll need to buy different filters for different devices, and your wallet will empty out before you're able to get them all. That's where CoolBlue Clip-Ons come in. They offer the most advanced and affordable Blue-Blocking technology in one easy clip-on lens.

With only one low-cost purchase, CoolBlue Clip-Ons could instantly eliminate the harmful effect that blue light could be having on you. Rather than fight against the inevitable changes in our modern society, they empower people across the world to adapt in a simple, cost-effective, and fun way.

Their glasses have amazing features like:

- Clips on to any glasses in seconds

- UV400 coating that blocks 99% of harmful blue light

- Comfortable, easy-focus fit

- Ultra-stylish and durable frames

- Shatter-proof lenses

How CoolBlue Clip-Ons work:

As light from your device's screen hits the lens of their glasses, it lets the harmless red, yellow, green, and violet components of the light pass right through. Meanwhile, the harmful, high-energy blue light is reflected back, keeping it from entering the eyes of the wearer. This eliminates the nasty side effects of screen time once and for all.

CoolBlue Clip-Ons block harmful blue light with their advanced filter technology

The Magic of CoolBlue Clip-Ons

Below we've included a summary of our research on CoolBlue Clip-Ons to save you time. The more research we did, the more impressed we are to be honest. So much so, that we're ordering some of these for ourselves (and our kids! they have kids and teens glasses).

CoolBlue's Design and Function

The lenses in the CoolBlue Clip-Ons are amazing. Not only does the "UV400" coating block 99% of harmful blue light, meanwhile it allows harmless light to pass through, giving a virtually clear viewing experience with only a subtle tint.

They Seem Like a Great Company That Really Cares

Another thing we noticed was how many reviews talked about how great the CoolBlue Clip-Ons team was and how helpful they were in solving any issues that came up. Here's a few quotes we pulled:

"I'm impressed with this product. I also give credit to the customer service team. They are absolutely wonderful and take swift action." - Nayoma I.

"great customer them to boot." - Carly B.

"Great glasses...Also excellent customer service from the team. Would recommend." - Annie L.

"Customer service is amazing and best company by far in dealing with customers." - Mechel B.

Why CoolBlue Optics is #1 with Older Adults

They're clearly a company that stands by their products, and have some amazing policies to back it up. If their products were not fantastic, these policies would surely be costing them a ton of money.

Money-Back Guarantee: They give you a full month to try the glasses out and get your money back in full if you're in any way dissatisfied with their glasses.

Lifetime Warranty: Each pair of glasses comes with a warranty for LIFE that covers broken AND lost pairs. 

Guaranteed Fit Policy: They do a pretty good job of sizing their glasses, but sometime customers need to size up or down. All you have to do is send them a quick email and they'll send you another pair in the right size COMPLETELY FREE! How cool is that??

Sounds amazing... But how much do they cost?

If you've ever had to buy glasses at the eye doctor you probably know they can cost hundreds of dollars, and that's WITH insurance.

The CoolBlue Optics company, a family-owned business based in Portland, OR, understands the need for their eyewear to be as affordable as possible for as many families as possible so everyone can benefit.

Normally, a pair costs $39.99 USD, but right now they're running a Holiday Bundle 50% OFF Sale (that's ending soon), so you can get 3 pairs for only $19.99 each! Just make sure you choose a bundle option when you check out.

How can they cost so little?

Because they are a family-owned, direct-to-consumer brand, they don't have to charge the high price markups that a bigger retailer does.

They cut out the middleman and keep their prices low with proprietary manufacturing and low overhead costs, so they can provide amazing value to their customers. They care deeply about the impact they have on people's lives (unlike big box retailers, who charge crazy prices to cover costs and make profit).

Low cost does not mean low quality though. CoolBlue Clip-Ons are premium eyewear, and they take pride in creating the best glasses for the best value.

How do I know if CoolBlue Clip-Ons are right for me?

We're going to take a wild guess and say that you are probably like 99% of the people in the world, and you spend 2, probably more, hours in front of screens every single day. That's a whole lotta blue light! And that makes you a great candidate for blue light glasses, even if you don't have symptoms yet. 

You brush your teeth everyday to preserve your dental health. Why would would you not give the same care and attention to your eyes? Imagine feeling like you can tackle the workday or enjoy television without dealing with dry, tired eyes. If you are suffering from symptoms of digital eye strain wish you could experience the same relief Theresa felt, check these out.

Don't Take Our Word For It.

Here's What Their Customers Are Saying:

Where can you buy CoolBlue Clip-Ons?

It couldn't be easier! The only place you can currently get them is directly from their website by clicking here. They've got hundreds of rave reviews from people across the world.

IMPORTANT UPDATE December 8th, 2021

CoolBlue Optics is offering a huge discount for US, Canada, Australia, and UK residents. Right now you can buy three pairs of Clip-Ons for 50% off or six pairs for 60% off for their Holiday Bundle Sale. We're taking advantage of this right now and you should too. Due to extreme demand, they say they're often out of stock, so hurry if you'd like to take advantage of the once-in-a-lifetime discount!

Step 1: Order CoolBlue Clip-Ons from the official site.

Step 2: Choose your bundle and checkout.

Step 3: Clip them on to your current glasses and instantly enjoy no more eye strain, headaches, migraines, and other effects of digital blue light!


Birdie L.

I found these to be a must have after considering what blue light could be doing to my eyes. I love the glasses and have found they have eliminated my dry eyes when reading emails.  A+

Krista M.

I bought these to use when I'm reading on my tablet and I love them! Cute styles and easy to clean!

Tyron W.

Important read

Zachary M.

 I love mine. Has made a big difference.

Jen H.

We love coolblue optics! I bought these for my husband adn I once he started getting headaches recently and I was wondering if it was related to screen time. I noticed he was rubbing her eyes after being on the iPad. After 2 weeks with the glasses there have been no headaches and I could not be happier. will definitely be telling my friends about these.

Leeann L.

This is good learning.

Gene M.

These are amazing

Jacob C.

My dad has not been rubbing his eyes at all now that he has been wearing these glasses while watching tv, so they must be doing something. would recommend

August Q.

I've been using blue light glasses on the computer for a year and it helps a lot. My eyes used to get really dry and tired what I was on the computer.

Emily H.

I have been sleeping better since i’ve gotten these no question. Thanks CB

Beatrix K.


Verity J.

Need check on these for me and great grand kids

Sohan I.

These glasses are a hit with my wife she won’t even take them off! She started working from home and right away getting headaches frequently after spending hours in front of a screen. There have not been any headaches since she has started wearing them!

Elva J.

Everyone who is on the computer all day should read this article 

Tullio L.

wow who knew

Kerrie N.

Can't hurt to try

Jason N.

These glasses from coolblue optics have greatly helped my headaches and sleep. I was getting headaches too often and was having trouble sleeping and its like night and day now with these. thank you

Tom J

Interesting 🧐

Mary Ann J.

Thank you❣️

Kimball M.

Teachers should tell parents to get them.

Irene L.

Thank you for this very important info⭐️

John K.

This is a story about the negative effects of the computer and the difference that blue light glasses can make.

Eve D.

Good info

Xinyi H.

Everyone should look into blue light protection

Trevor W.

Wow. I had no idea

Stephanie C.

There have been warnings about potential problems with “computers” 

Amos F.

Great article.

Phyllis Y.

So glad she found the solution!

Annmarie M.

This is very interesting I am not at all suprized

Janet J.

I bought Pair last year as my eyes are

etting worse.

Ursala B.


Gabrielle B.

I've been using blue light glasses when I'm on my phone or computer for a year or so and it really does help. My eyes used to water and and sting and just get really tired what I was on the computer.

Ellis W.

Good info for all all phone users

Darcy W.


Myra E.

Got a pair for me and my daughter and they have really helped us sleep better!

Garey J.

Love mine, no more tired blurry eyes.  on the phone or iPad.

Madison M.

Sounds like an idea we should look into!

Easily Block Harmful Blue Light With Glasses You Already Own

Get CoolBlue Clip-Ons with 50% Discount

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