If you're like most people, falling into bed at the end of the day is something that you look forward to on your worst days. Regardless of a good or bad day, we want to make sure that you always have access to that comfort by choosing the perfect mattress for your needs. The thing is, with all of the titles and dimensions out there, it can be hard to determine which one is best. What's the difference between a twin size mattress and a double size mattress, for example? Or, is there really enough space for a queen size mattress in a guest room? If you hate numbers, or you're just tired of struggling, take a look at the guide below.