You're only overworked if you do activities each day at work that don't strengthen you. If you're doing stuff you love why would you want to go home and try to find a hobby or something else to do in the rest of your time that you also enjoy as much?

This is why you see many people "lost" in retirement. Not because they didn't have hobbies but because those hobbies were never as fun to them as what they were able to do at work.