I also have a positive experience with Redshift, and use it on both computers and phones at night. Since I live in the north, I also have good experience with "

I also have a positive experience with Redshift, and use it on both computers and phones at night. Since I live in the north, I also have good experience with "rubber curtains" that block out all sunlight at night in the summer, and a "wake-up light" that simulates sunrises in the winter.