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 ...

For millions of people, fighting to stay awake at their desk, on the commute home, or even mid-conversation is a daily struggle. Now, scientists believe the reason why some people are far more prone ...