Does changing screen colors from "blue" to "red" really improve sleep? Can you even fix blue light from software alone?
Yes.
Yes and yes
http://www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side
>>55175808
Yes it helps, I'm going to use these sort of programs forever
Get SunsetScreen
>>55175808
I'm having redshift in my xinitrc on all devices I use since a few years and I honestly get eye cancer placebo otherwise.