The breath is one of the most important tools for recovery. If you are stressed, you will often take short, sharp breaths. This is no good for your body and is certainly no good for athletes. Take some time every day to relax and focus on your breath (even if just for 30 seconds).
As a student athlete you need to be able to balance schoolwork with training and competing in your sport. Breath work can help slow things down and reduce the stress that comes with a tough schedule.