Blue light can also affect your sleep, suppressing your body's ability to create the hormone melatonin, according to the National Sleep Foundation. They suggest staying away from devices at least ...

How Blue Light May Affect Your Mental Health Scientists think nighttime exposure to blue light throws off your circadian rhythm , or sleep/wake cycle. This could lead to symptoms of depression.

Study finds blue light glasses don't offer more eye protection 00:28. Blue light glasses gained popularity over the past few years with the idea they protect our eyes against screen usage — but ...

The blue light emitted by screens not only keeps you awake, but may actually contribute to signs of aging on skin, such as wrinkles and dark spots.

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.

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.