Blue light also slows or stops your body’s release of melatonin, the hormone that regulates sleep. In one study, participants using an e-reader at bedtime took longer to fall asleep and reported ...

While the sun emits both UV and HEV light, “blue light can also come from computer and phone screens and other digital devices, and may have an effect on our eyes as well as our skin,” says ...

Blue light -- the kind from your smartphone, tablet, TV, and even energy-efficient light bulbs -- can lead to a range of health issues. Here are a few tips to ward off blue light’s effects.

Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults — but only if they time it right.

Key Facts A new meta-analysis published in the Cochrane Database of Systematic Reviews discovered blue-light glasses may not make a difference in sleep quality, eye strain or eye health.

Share on Pinterest Researchers say that blue light may not significantly affect a person’s circadian rhythms. AleksandarNakic/Getty Images Blue light from the sun is vital in regulating a person ...

A blue shirt absorbs all wavelengths of light except those that make up the color blue (roughly 450 nanometers) and reflects what's left into the area around it, including our light-sensitive retinas.

Adding a blue light-filter to your eyeglasses won’t ease computer eye strain or protect your sleep, according to a new review, but other actions can help.

Blue light has become one of the most commonly talked about enemies of sleep. However, recent research from studies like Mouland et. al and advice from Dr. Huberman – professor of neurobiology ...