I use music (EDM, Ambient, etc.) that I really like to get myself into a zone. After the productivity surge, I emotionally reward myself by thinking (unintenti

I use music (EDM, Ambient, etc.) that I really like to get myself into a zone. After the productivity surge, I emotionally reward myself by thinking (unintentionally, actually) about how great it felt to be productive and how awesome the music was at helping me hone in on the work at hand. I also recently started using https://www.brain.fm/ https://www.brain.fm/ and alternate between it and music.