You've heard it before - you can't just study all day, you need to take breaks. While it is very good advice, most people don't know how long to study or how long to break. If I think back to my high school days it was probably study for half an hour and break for 2 hours ;-) Apart from that, many people stop taking regular breaks when they start working. You might get up for a short coffee/tea break and lunch, but other than that people generally stick to working, probably b