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Why I Wear Blue Light Blocking Glasses (at Night)

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Why I Wear Blue Light Blocking Glasses (at Night) Why I Wear Blue Light Blocking Glasses (at Night)

Why I Wear Blue Light Blocking Glasses (at Night)






When I first started wearing blue light blocking glasses at night a few years ago (which look like orange sunglasses), they were much less common. Someone once asked me if I wore them because I have some kind of eye disease! Of course the answer was “no”, but since then, they’ve gotten much more popular…
At a restaurant recently, a waiter asked me if my orange glasses were actually blue blocking glasses and said he had some too!
What are Blue Light Blocking Glasses"
In short, they are glasses designed to block most blue light that a person encounters after it is dark outside. Think of them as reverse sunglasses. You wear them inside instead of outside and to block artificial light, but not the sun.
If you look at the research, it turns out that wearing silly glasses can serve a serious purpose!
The Problem with Blue Light (After Dark)
Artificial light is still a relatively new invention to modern man, and exposure to this type of lighting may be drastically affecting our biology. For most of history, people rose and slept with the sun. Their circadian rhythm was effortlessly controlled by the light of the sun and moon.
Now, we experience light at all times of day and night. Electronics and artificial lighting emit blue light, which only occurs in nature during the brightest part of the day. So when we encounter light that would only occur in nature during the bright afternoon hours at 11:00 PM, our bodies get confused!
From Harvard:
While light of any kind can suppress the secretion of melatonin, blue light does so more powerfully. Harvard researchers and their colleagues conducted an experiment comparing the effects of 6.5 hours of exposure to blue light to exposure to green light of comparable brightness. The blue light suppressed melatonin for about twice as long as the green light. It shifted circadian rhythms by twice as much (3 hours vs. 1.5 hours).
Reduced Melatonin
Research suggests that blue light after sunset can disrupt circadian rhythm and suppress melatonin production.
Think about it, until the invention of electric light bulbs, people relied on the sun for the majority of their light. After dark, they only used natural sources of light such as candles, campfires, and lanterns (all orange lights). With the dawn of modern electricity, we suddenly had the ability to stay up with lights on for many hours after sunset.
With computers, TVs, tablets, and phones, this use has extended even more, and these new technologies are especially high in blue light. We’re only starting to understand the affects, but we know that artificial light at night impacts cortisol patterns, melatonin, and circadian rhythm.
This is the reason that recent research found that just one week of camping away from artificial light could fix many sleep problems!
I truly believe that the next wave of medicine will involve addressing light, the gut, and sleep more comprehensively. Until then, we have to find ways to address these th...


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Fuente de la noticia: wellnessmama
Fecha de publicación: 01-06-2017 22:08
visto: 12

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