I myself can do ~ 5-6 hours of quality work a day. I can do 8-ish hours once in a while, but I feel mentally tired the next day. If I try to work more hours, I

I myself can do ~ 5-6 hours of quality work a day. I can do 8-ish hours once in a while, but I feel mentally tired the next day. If I try to work more hours, I end up writing shitty code or no code at all. I've no problems to work 6 days in a row or even skip weekend altogether though.