Absolutely not. Caffeine, and other energy drinks, will make you perform worse on your exam. These drinks give you an artificial sense of alertness that is more akin to hyperactivity (the 'H' in ADHD). read more
When I have upwards of 3 hours of exams I bring in a mini baguette, but I wouldnt bother with stuff like red bull before an exam, I mean its hardly that difficult to concentrate on something for one and a half hours. read more