Also referred to as adjustable foundation. It is a type of foundation that offers ability to bend and change your position. It has an electric motor underneath connected to a remote, which enables you to change an incline, elevate the mattress and set a position you prefer. Often called an electric or hospital bed, it is becoming a very popular option bringing its functional and health benefits to mainstream. Adjustable bases come in various types and options from very basic ones only moving up and down to high-end ones offering wave massage, wireless remotes and smart phone functionality. Many innerspring and most of foam mattress are compatible with movable bases.