Sleep is more important than food
Schools such as Caltech and MIT have rigorous curricula that proverbially requires constant study every day of the week just to stay in the middle of the pack.  Naturally, most students cut back on sleep.  Proponents of this approach are aware of this, even boast about it, saying that this is the best way to learn the material.<p>On the other hand, numerous studies -- including the link at the top of this page -- conclude that this is the worst way to get anything done.<p>They can't both be right.