I think blue light is important, but I think addiction to phones is even more important. I have students who'll stay up late to answer messages, even though the

I think blue light is important, but I think addiction to phones is even more important. I have students who'll stay up late to answer messages, even though they use the modes that filter blue light. They just have to constantly be checking their phone...Now, if you couple that with blue light not being filtered, then you're facing even more problems.