In order to save eyes and reduce the effect on sleeping, Windows 10 added this Night light feature to reduce brightness and shifting color temperature towards the warmer, redder end of the spectrum. Researchers stated that the blue light from most of the computer display can interfere with sleeping and cause eye strain. Some Windows users were using a third party application such as flux to synchronize brightness and color temperature with the clock to get rid of eye problems. Night light is one of the useful feature of Windows 10 to reduce the blue light of the screen.
