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5 Research-Backed Ways To Sleep Better

If you're at the bottom of your digital devices at night, chances are you'll lose sleep. That's because the blue light emitted by computers, smartphones, tablets and even televisions hampers the production of melatonin, the hormone that signals to your body that it's time to make a nap. While we could tell you to unplug an hour or two before bed, there is another option: Invest in a pair of blue glasses.

People who donned these special glasses for three hours before% increase their nocturnal melatonin, according to a study from the University of Houston College of Optometry. In real life, this resulted in faster sleepiness, better sleep and even an increase in sleep time of 24 minutes per night, says study author Lisa Ostrin, OD , Ph.D.

MORE: This Common Sleep Habit Could Cause You Major Anxiety

Sleep experts are strongly behind this new trend in shows. Shalini Paruthi, MD, a spokesperson for the American Academy of Sleep Medicine, wears them herself. "They are cheap, readily available and can do a lot of good," she says. This nice pair of readers starts at just $ 8. Other blue light limitation strategies recommended by Ostrin include the application of special filters to the screen, the use of anti-reflective lenses to compensate for the effects of LED light and switching devices in night mode.

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