Caffeine: the ultimate life hack for the sleep-deprived. It's like a tiny, bitter friend that's always there for you, but never really listens.
Legend has it that caffeine was discovered by a sleepy monk who accidentally spilled a cup of coffee on his lap, only to find himself suddenly awake and ready to tackle the day.
Or maybe that's just a myth. Either way, it's still the best thing that's happened to us since the invention of the snooze button.
Want to learn more about the history of caffeine? Check out History of Caffeine for more on this fascinating topic.