We do take the devices at bedtime, in fact, I have a reminder on my phone that goes off at 9:30 pm every night (which I started after discovering the problem). But it’s not just about the late night usage, which is mostly curtailed but not perfectly given I’m not a perfect authoritarian. It’s more generally what he’s doing with it.
I don’t want him going down YouTube rabbit holes, developing a body image complex via Instagram, etc., at any time of day. It just seems strange to me that there’s this gaping hole in my parental oversight that was put there by our educational system.