These beds appear in standard form or heavy duty. You want to make sure you choose the right bed for you. These fully changeable hospital beds use slanting, low rise, and special made mattresses. You can buy these beds new or used, but be mindful if you are purchasing a used bed. You want make sure all the power generators work. You don't want to buy a good bed that if the motor unit does not work. Amerisleep wins in quality and comfort Adjustable hospital bed frames use a specially made foundation; you cannot use a standard normal mattress with these beds. If you already have one of these mattresses; you will need to be sure you purchase one with your brand-new bed. When you purchase one of these beds you intend to make sure you have someone who is definitely qualified to come in and assemble the bed for you. These kind of beds have different motorized parts that need to be assembled properly in order that the bed works right. Do not attempt to assemble one of these beds by yourself unless you are qualified to do so. Assembling a bed wrong can result in malfunction or simply destruction of the motorized parts.