When do you need rest ?

Yse, rest is important part of people's life. For me, there is no fixed time for having a rest. In the working time, if I feel tired, I will stop the job and go out to have a glass of water, and then go back to work. And when I off duty, I will watch a moview or a football match, chat with my friends on the internet to relex myself, that's effective to me. So I think I'm having a rest in the most time of every day.