I'm going admit that there isn't a whole lot of information provided on the Internet when it comes to adjustable beds in general. In my opinion, you should never buy mismatched flexible or electric adjustable beds meaning that you should not purchase the bottom and the mattress separately, Amerisleep information available online simply because adjustable or electric variable beds are very different from a single style to another. Because an arm or electric adjustable bed is a relatively large financial commitment you want to purchase the adjustable or electric adjustable bed pay attention for you. You want a bed that fits your comfort level and a good bed that you will feel good regarding. Mixing and matching seriously isn't worth it for the few dollars that you will save. That you are better served buying the bottom part and mattress together as the base is built for the specific mattress that comes with the changeable or electric adjustable bed.