Is Blue Light Bad For Your Health

The little blue led status light on your phone charger while not very bright is enough to disrupt melatonin production because the spectrum is extremely blue.

Is blue light bad for your health.

The sun produces blue light along with the other colors of the spectrum and so we are exposed to it naturally. You may have heard that too much screen time in the evening is a bad for you and it s true the blue light emitted by devices like phones and tablets can disturb your sleep. In fact blue light is an essential part of our circadian rhythms as exposure during the morning and daylight hours provides an. Since the eye is not good at blocking blue light nearly all visible blue light passes through the front of the eye cornea and lens and reaches the retina the cells that convert light for the brain to process into images.

Blue light does affect the body s circadian rhythm our natural wake and sleep cycle. During the day blue light wakes us up and stimulates us. How is blue light bad for health. But exposure to intense amounts of blue light may be harmful to the eyes.

Light at night is bad for your health and exposure to blue light emitted by electronics and energy efficient lightbulbs may be especially so. At night light throws the body s biological clock the circadian rhythm out of whack. Blue light has the shortest wavelengths detectable by the human eye. Blue light benefits it s not all bad despite all of the buzz around blue light being a hazard it is important to remember that the health risks of blue light are very specific to overexposure during evening hours.

But too much blue light exposure late at night from your phone tablet or computer can make it harder to get to sleep.