There are very few things that keep a spry 20-something down, but an 8 a.m. class is one of them. Keep from drooling all over your coursework by learning how to stay awake in class. And no, mainlining ...

These energizing foods provide steady focus and alertness—without the jitters or crash. You don’t need coffee for lasting energy. Foods like dark chocolate, bananas, and berries offer natural energy ...