I feel like I get 4 hours of high quality coding per day. Then around 2 hours of lower quality coding. Anything more than that is usually futile. After those h

I feel like I get 4 hours of high quality coding per day. Then around 2 hours of lower quality coding. Anything more than that is usually futile. After those hours, if I take a long enough break to clear my head, I can keep doing stuff.