I've reached the same conclusion myself. I always find the lists of "sleep hygiene" suggestions to be incredibly misguided. Proper sleep hygiene is important, b

I've reached the same conclusion myself. I always find the lists of "sleep hygiene" suggestions to be incredibly misguided. Proper sleep hygiene is important, but I've come to believe that blue light is the most important "zeitgeber" (an environmental cue that influences the circadian rhythm) and it seems to be very rarely mentioned.