There are many morning classes, so you'd better have a good sleep last night. If you study science, you should have a better grasp of the morning; It is best to go out for a walk after each class; But it is best not to do strenuous exercise; Doing so will consume a lot of your energy; You can do some simple exercises; If you answer questions in class or have a positive answer in the discussion, you can also increase your enthusiasm; In this way, you can relax and strengthen your study;

There is also the problem of mentality. It is best to adjust your mentality, which can also play a relaxing role.