If you are a middle school student , you can try to use some ways to relax:
First, You must arrange your time to study.and to play.
Second,You should lisen to teacher carefuly in class.
Because it can help you play too much time. you can go to park with your friends,
or go to monitun , because you can feel the air is fresh. your head will be relax.
and without the arrange.Last you will study better.