No later than this admit that there isn't a huge amount of information provided on the Internet when it comes to adjustable beds in general. In my opinion, you should never buy mismatched variable or electric adjustable bed frames 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 a variable or electric adjustable bed is a relatively large investment you want to purchase the adjustable or electric adjustable bed read that right for you. You want a bed that fits you your comfort level and a good bed that you will feel good about. Mixing and matching seriously isn't worth it for the few dollars that you will save. You are better served buying the foundation and mattress together as the base is built for this mattress that comes with the changeable or electric adjustable bed.