It's important to separate the effects of the light from the screen, and the information the mind is getting through the screen. I've experimented a bit with b

It's important to separate the effects of the light from the screen, and the information the mind is getting through the screen. I've experimented a bit with blue blocker glasses, and I think they do help a little (perhaps placebo effect is playing a role, but whatever works). But, as you suggest, it is far more important for me to avoid thought provoking material on the screen before bed, than to avoid the screen wholesale.