What do you do when you're tired and woreout

Relax for 10-30 mins, take a breather somewhere b4 going back to the work ^_^ OR else, exercise ^_^ ALot of ple dun like to do that as they think it'sa complete waste of time when they are already so busy.. BUt they are wrong.. Exercise will only refresh u, and make u more alert, finish up your work much more faster, plus, they really relaxes u for the time being, taking your mind off work ^_^ It's really useful and u can try it ^_^