They say that most people in the world are living with mattresses that are worn out. Over years of use, your mattress is going to start to break down; that is just a fact. The best solution is to go out and get a new mattress, but let's face it, not all of us can afford to go out and get a new mattress every time one of the mattresses starts to show signs of aging. The good news is that you can do a few things that could help you get the most out of your mattress before it finally does bite the dust. The best thing that you can do is to flip the mattress over. Doing this will actually get the sag out of a sagging bed. However, keep in mind this is just a quick fix. This is nothing that is going to last forever. The more you flip it, the less amount of time that trick is going to work for. Soon you will notice that you have to flip your mattress every night to keep the sag out of it. If that is the case, then yes, you need a new mattress!