Taking breaks are always good when you're doing consistent work for a long time. I usually take 10 min break after my every lecture. I know it's importance because it allows me to focus more and provide me a sharp focus at whatever I would do next.
By the way you have been kind of invisible for last 3 days. Now I know what you were doing and as usual you were doing something necessary.
This post contains your personal opinion about life and I respect that . @firepower