Our brain and bodies operate off of something called our circadian rhythm. The circadian rhythm is a 24-hour internal clock that helps us stay awake during our daylight hours and sleep long periods at night.
Our natural wake/sleep cycle is affected heavily by blue light. When we absorb blue light, our brain assumes it is the daytime, which makes it send a signal to our bodies to stay awake. Now that blue light is present in devices, we can absorb that light long after the sun has gone down, which can:
There are things that can be done to protect your eyes year-round from overexposure to blue light so you can sleep better, have fewer headaches, reduce digital eye strain, and prevent other potentially harmful effects of exposure.
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