We know that nighttime exposure to blue light affects the circadian rhythm. The science behind this has made leaps and bounds in the last 20 years, with the discovery of a new photopigment in the eye called Melanopsin.
A wide range of colors appear to be able to stimulate the circadian rhythm in humans, and so while we refer to "blue light" to distinguish it from light seen by our visual system, it also includes lights that appear as green, blue, cyan , even orange.
Computer screens, tablets and mobile phones emit full-spectrum light around the clock, just like the sun. Exposure to blue light at the wrong time of day can keep you awake and affect your sleep quality.
f.lux tries to help you by removing blue and green light and help you relax at night. It may take a few days to get used to the new colors at night, so we recommend that you adjust the night colors in the app to what suits your eyes best.
After a few days of use with f.lux, and after experimenting a bit with the adjustments, find which color suits you best. The 3400K default setting in Windows removes about 3/4 of the blue and about half of the green light. You can remove even more alert light by selecting a color gamut to unlock other colors.
Also, set your location. f.lux works much better if it knows when the sun rises and sets in your area, so setting it is very important for understanding the circadian rhythm.
So adjust the color settings by moving the large adjustment knob. Of course you can adjust the lighting of your computer screen at any time of the day, especially if you sit for long hours in front of your computer screen.
OPERATING SYSTEM: Windows
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