The Power-Flex^™ 3 adjustable power base features an upholstered design with virtually unlimited head and foot positions. Raise or lower the bed with the touch of a button to find the most comfortable sleeping or resting position. When you purchase the Power-Flex^™ 3 as part Personal Comfort Sleep System, you get even more customized comfort with a smart bed mattress that you can personalize to your level of firmness along with the adjust-ability of the Power-Flex^™ 3 foundation.