Earlier quoted context omitted.
Hmm, can people reasonably do 1-3 in places where the sun sets at like 6PM?
There are tools that reduce the amount of blue light emitted from the screen. They essentially turn your screen orange. The difference it makes is large enough that you wonder how you managed before it. The most well known is f.lux, but it's also natively supported in some phone OSes.
Much better than the native solutions that come with operating systems nowadays