While light of any kind can suppress the secretion of melatonin, blue light does so more powerfully. So when we encounter light that would only occur in nature during the bright afternoon hours at 11:00 PM, our bodies get confused! Electronics and artificial lighting emit blue light, which only occurs in nature during the brightest part of the day. Now, we experience light at all times of day and night. Their circadian rhythm was effortlessly controlled by the light of the sun and moon. For most of history, people rose and slept with 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)Īrtificial light is still a relatively new invention to modern man, and exposure to this type of lighting may be drastically affecting our biology. You wear them inside instead of outside and to block artificial light, but not the sun. In short, they are glasses designed to block most blue light that a person encounters after it is dark outside. 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…Īt 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? 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.
Other Ways to Limit & Avoid Blue Light at Night.
#Blue blocks blue light how to#
The Problem with Blue Light (After Dark) + −.