Staring at screens right before sleep turns out to be a lot worse than previously thought. Dr. Dan Siegel, clinical professor of psychiatry at the UCLA School of Medicine, lays out all of the negative effects that bedtime screen viewing can have on the brain and body.

And of course, that’s aside from the effects of the contents! If you read any news, you may find yourself all riled up and annoyed at something you can do absolutely nothing about (or at least not at that moment). If you check your work email, just as problematic.