That is an additional 15% of kids not sleeping seven hours
I was not aware of the concomitant huge drop in sleep (though it’s obvious in retrospect). Maybe it’s more important to limit screen time at night, when you’re alone in your room not sleeping. Being constantly lethargic as a result may also contribute to (and be a) depressive symptoms. It will be very important to figure out the mechanism(s) by which smartphone use hurts kids.
I was not aware of the concomitant huge drop in sleep (though it’s obvious in retrospect). Maybe it’s more important to limit screen time at night, when you’re alone in your room not sleeping. Being constantly lethargic as a result may also contribute to (and be a) depressive symptoms. It will be very important to figure out the mechanism(s) by which smartphone use hurts kids.