I wouldn't say I've done this for my mental health, but more because my eyes are two garbanzo beans that badly need a break: I leave my phone on the charger aft

I wouldn't say I've done this for my mental health, but more because my eyes are two garbanzo beans that badly need a break: I leave my phone on the charger after 5pm and I don't pick it up until the next morning. This is the only thing that's been effective for me in reducing screen time. Apps and Apple's Screentime were just bandaids that I'd eventually peel off after a week and dozens of "just a quick peek while I'm waiting for XYZ."