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 ...

Experts recommend that adults get 7 to 9 hours of sleep each night, but for many people — especially those who work night shifts or irregular hours — that's next to impossible. About one-third of ...