>I said "obvious and trivial thing to do once you know that blue light affects melatonin production."
That doesn't change my argument. That too was known for ages, and still no light changing apps for it like flux (with the exception of a Linux app which I think came later).
That doesn't change my argument. That too was known for ages, and still no light changing apps for it like flux (with the exception of a Linux app which I think came later).