Yes, but you have to be very careful about the slippery slope here and how you measure things. I personally find that I sleep about the same regardless of how

Yes, but you have to be very careful about the slippery slope here and how you measure things. I personally find that I sleep about the same regardless of how miserable I am at work, which means I get no quality change from roughly eight hours a day. My commute doesn't change in quality either and four many people that commute is 1 hour each way. Some people will find some other numbers that are important to subtract here. In the extreme, you'll find that an extra hour a day of work but reducing the misery of your work can result in 1 good hour of free time instead of 2 mediocre hours of free time. For most people things aren't quite that extreme but it's certainly not anything resembling 15 vs 16.