I wake up early in the morning (6.30) and swim for half an hour, it fills me with energy.
I eat fruit and throw cold water on my face.
I try not to work in my bedroom.
(Motivation tip: Remind yourself of the arrogant studiomates and how much you want to surpass them.)
However, tutors can tell whether you 've pulled an allnighter and they don't appreciate it at all. It's regarded it as a problem with time management. In my opinion, try to sleep before a final crit and deliver a relaxed, confident presentation.