Drastically improve the quality of your sleep, and fall asleep easier, by controlling your exposure to toxic blue light.
How Blue Light Affects Sleep and How To Fight It
[Stop letting harmful blue light keep you awake!]
We are all exposed to vast amounts of blue light every single day and night. Just reading this email increases your overall time exposed, and it is damaging your ability to get a restful night of sleep. But it doesn't have to.
What is Blue Light?
There are two main sources of blue light, both of which are pretty unavoidable in average, everyday life.
First, the sun. Light from the sun travels through the atmosphere and the shorter, high energy blue wavelengths collide with air molecules causing blue light to scatter everywhere. Â And guess what, this is what makes the sky look blue!
Secondly, a broad category called 'electronic devices'. This includes things like cell phones, tablets, laptops, handheld gaming devices, fluorescent devices, and almost any other digital device.
Healthy Blue Light Exposure Â
Blue light is a large part of our natural biological clock. It interacts with the human brain in a way that stimulates wakefulness, which is still a great feeling when we need it. Blue light shuts off the brain's production and release of melatonin, so if you have any leftover melatonin lingering in your system when you wake up in the morning, it can help purge it from your system so that you feel more awake and alert.
The Dark Side of Blue Light
[Harmful blue light penetrates to the back of the eye]
Because blue light exposure disrupts the production and release of melatonin, it's easy to see why all the electronic devices we use become problematic at night. In a study conducted by the Harvard Medical School, researchers proved the negative effects in terms of suppressing melatonin and even affecting your circadian rhythm. Â You can read more on their study [here](.
These are just some of the negative side effects, besides the lack of sleep:
- Eye strain
- Influx of headaches
- Dry eyes & fatigue
- Damaged retinal cells
- Weight gain - not sleeping enough can throw off your metabolism
- Memory Loss
Protecting Yourself from Unhealthy Blue Light Exposure Â
However, all is not lost. Once the sun goes down and it’s the last few hours before bed, there are some ways you can alter your habits to protect yourself from the harmful blue rays. Â
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- Use this 20/20/20 rule when looking at electronic devices - Every 20 minutes, take a 20-second break and focus your eyes on something at least 20 feet away. This will give your eyes a quick break and reduce eye strain
- Obviously avoiding the TV and all digital devices is nearly impossible, so you can try using blue filters. While they are by far not the end solution, it still may help reduce the intensity of blue light you take in.
The main problem is that these two aren’t very practical steps and not the easiest to implement on a daily basis in our modern world.
- Luckily for us, there is a simple and practical solution. Scientists and engineers realized how serious the negative effects of blue light are, which is why the most popular solution available today was created: Anti-Blue Light Glasses. Â
Anti Blue Light Glasses Â
[Anti Blue Light blocking glasses protect your eyes from harmful blue light rays]
They are the top tool for combating sleeplessness caused or worsened by blue light exposure coming from electronic devices.
There are two different types of Anti-Blue Light glasses, day-wear options as well as night and evening use.
While both will help reduce eye strain, headaches and are great for anyone looking at a digital device, there is one big important difference.
Night time glasses block 90% or more of the blue light rays (the well made ones will) to help promote your body’s natural melatonin production, while day-wear glasses block around 30% - 40%.
Our Recommendation
There are tons of glasses out there claiming to help you fight the light, but this is one of those products that not all are made equal.
Don’t worry, we here at Sleep Guide decided to do all the testing and research for you. We took over 30 of the leading blue light glasses to put them through rigorous testing, and were extremely shocked to find how few of them actually passed.
Beyond comfort, durability, and style, there are two main factors we discovered through our testing:
- Most Important Factor is the ability of the lens to block the 450nm - 500nm blue light wavelength. Sadly, this is where most brands failed and did not block the proper amount of blue light
- Do Not Get Blue Light Glasses with Clear Lenses - Â The blue light glasses that have clear lenses are considered day-wear glasses and will not help you with sleep. Make sure the lenses have an orange tint to them
Mark your calendars for tomorrow as we will be releasing our final report then. After compiling and narrowing down through dozens of brands, we can’t wait to share with you our findings and help you get back to sleeping well every night.
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