Earlier quoted context omitted.
I'd recommend giving grayscale mode a try not only during bedtime, but all the time! My Pixel has been set this way for a couple months and it has decreased my mindless phone usage by simply making the phone more boring overall, without any new device or major sacrifices. I became concerned that I'd turn it off when I temporarily needed color and forget to turn it back on, so instead I used Tasker to listen for L-R s…
I'd love to do the same thing, so if you have time to explain the Tasker steps I'd definitely make use of them :-)
https://news.ycombinator.com/item?id=40465686
Cheers