Yes, some computers have brightness sensors and will adjust the screen brightness depending on how bright it is around you, but the color temperature doesn’t change.į.lux will use warmer colors at night than during the day, making white colors appear a bit more reddish. The theory is that staring at these bright, sun-like screens - late into the night or morning, as many of us do - strains our eyes and inhibits melatonin production. Our brains secrete melatonin during these darker hours when we’re not exposed to sunlight, causing us to get sleepier.īut our computers didn’t get the message. At night, the bright sunlight is gone - instead, we’re using indoor lighting that is generally dimmer and warmer. This helps keeps us awake and affects our circadian rhythms. During the day, we’re exposed to bright sunlight that has a cool, blue color temperature. The lighting of the world around us changes depending on the time of day. RELATED: Reduce Eye Strain When Using Smartphones and Tablets in the Dark
