Guarantee to stay on subject matter because you will be penalized in the event you stray off topic matter. The perfect productivity formula is 52 minutes of work and then 17 minutes of relaxation. Being able to balance your tutorial, social and personal lives is what will help you do better both at university and outside of academia.
Here’s some superior break ideas: have a healthy snack, go outside and get some fresh air, have a short walk. But when faced with the prospect of speaking in front of the viewers, this would seem a load.