A67N

Take short breaks when you study for exams. You need to take breaks to let your mind rest, but you don't want them to be brief. Taking long breaks can thwart the best of studying efforts. They make it harder to get back to work, and they make it hard http://www.dailymotion.com/video/x2f...s-paper_travel to work up the needed momentum. Keeping breaks short is the way to go.