The Best Ways to Stay Awake Without Caffeine
by Jeff Somers from Lifehacker on (#6EHNW)
Sleep can be frustrating. When you're desperate to get some much-needed rest, you stare up at the ceiling, so alert you could probably pilot a Moon lander. But when you're at work or in class and desperately need that level of wakefulness, you find your head nodding and you keep losing time in five-minute increments.