Like everyone else I get too busy and I start staying up later and later. I then start cutting my workouts out of the day and then before you know it I am solely working and not really spending time having fun. It is always a good thing to take a few minutes for ourselves (or longer) to give our brains a break and challenge ourselves in other ways. At this point in the year it might be good to remind you how to balance your life with some fun. Here is a good article on working hard and playing hard from OpenColleges.edu.au.