Answer: Learning Time Management Skills
Explanation: If you are a student and you are overwhelmed by your heavy courses, it is a good idea to stary learning time management skills. They will surely help you organizing your time and setting priorities in a healthy way.
It is never a good advice to ignore your feelings, and even though sleeping a lot or playing videogames might distract you for some time they are not long term solutions. That is why the last option is the correct one.