Waking up early for work is hard enough already. But doing so when it's raining outside getting up an even more arduous task. If you ask most people, they'd agree that the sound of rain is soothing -- the perfect complement to a dark room and warm, cozy bedsheets. While this makes for a good night's rest, it can put us at risk of oversleeping, causing us to start the day off on the wrong foot by being late for work. I woke up this morning around 5 a.m. As soon as I heard the gentle rain hitting my bedroom window, I was almost lulled right back to sleep. I always enjoy a Saturday or Sunday morning shower, though. To be sure, it's a welcome treat on days where I don't have to go to work or wake up very early to run errands. Thunderstorms, however, are a different story. I'm a light sleeper, which means that the sound of thunder wakes me up in no time. While I'm usually able to go back to sleep, sometimes the persistent rumble of thunder becomes t...