HaeStudy shows that wearing special glasses at night to filter blue light reduces insomnia and promotes restful sleep.If you have trouble falling asleep at night and find yourself dragging in the mornings, blue-light-blocking glasses could get your body clock back on track. The amber color of the lenses has been found to shield the eyes from a major culprit in the sleep wars: short-wavelength light, otherwise known as blue light.If the eyes are exposed to light at bed time, it will prevent the pineal gland from producing melatonin until you go into darkness. If the light continues for a longer time, it can actually prevent the body from making melatonin that whole night.03/10/2015
EmmaSince it is predominantly the blue wavelength that is most affective in melatonin suppression, it stands to reason that blocking this wavelength of light should be enough to significantly reduce, or even eliminate the melatonin-suppressing effects of nighttime light exposure.In fact, blocking blue light has been shown in several studies to be extremely effective in reducing the melatonin-suppressing effects of intense and/or blue light. In my opinion, a better solution is to use amber-lensed goggles once the sun has gone down. These blue-blocking lenses are highly effective in reducing the effects of blue light exposure, and in most cases completely eliminate the short-wavelength radiation necessary for nocturnal melatonin suppression.These goggles have been shown to improve sleep quality as well as mood, simply by blocking blue light and simulating physiologic darkness.The main reason I recommend using these goggles is because normal room light alone is enough to suppress melatonin at night, and unless you're shutting off all the lights in your house when the sun sets, you're still at risk for disrupting your melatonin-driven circadian rhythms. While f.lux is a useful tool for your backlit devices, it's nearly impossible to address all sources of melatonin-suppressing light04/13/2015
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