The FDA has classified smartphones as an addictive product that delivers too much dopamine. As a result, your phone can now only display in color for 1 hour a day, and all non-essential notifications are filed away to be read later or prohibited.

On Android, I changed it so I can push volume up and down at the same time and it changes between b&w to color. Also, I have a launcher called Before launcher and it kind of mimics the lite phone OS where there are just a few apps on the homesceen and filters notifications. I've tried all the built-in limits and timers, but the b&w display did the trick for me. All apps and websites nowadays are using slot machine mind control to keep your dope high and keep you scrolling. I only change it back to color if it's necessary to see something in color like I'm shopping for something.