Wednesday, June 4, 2014

How Blocking Blue Light at Night Can Transform Your Sleep

© Authority Nutrition
Authority Nutrition | May 27, 2014 | Kris Gunnars

Sleep is highly underrated.

It is one of the “pillars” of optimal health… just as important as diet and exercise.

Poor sleep is linked to heart disease, type 2 diabetes and depression. It is also one of the strongest risk factors for obesity (1, 2, 3, 4).

The problem is that humans are sleeping much less than they did in the past.

But that’s not the end of it, unfortunately… the quality of our sleep has suffered as well.

It turns out that perhaps the single biggest contributor to our collective sleep problems, is the use of artificial lighting and electronics at night.

These devices emit light of a blue wavelength, which tricks our brains into thinking that it is daytime (5).
Numerous studies suggest that blue light in the evening disrupts the brain’s natural sleep-wake cycles, which are crucial for optimal function of the body (6, 7).

Fortunately, this problem has a simple solution and there are a few actionable steps you can take to get rid of that blue light in the evening, potentially improving your health at the same time.

Read more..

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