Today I re-hid the dock on MacOS, a system update undid it a while back and I forgot about it. 

It sounds like a small thing, but not having the icons the bottom of the screen leads to far less app distraction and jumping into the browser while I'm coding.

I also hide the top system menu.

#ADHDTipsForNerdsLikeMe 

 @3b9b0957 I’ve been trying this which seems pretty good so far: https://hazeover.com/

I also use: https://heyfocus.com/

(I have a SetApp subscription so I got both through there)