Sierra Sleep is manufactured by Ashley Furniture Industries, the largest furniture manufacturer and #1 retail furniture brand in the world. Making its own place in the sleep industry, Sierra Sleep is one of the fastest growing mattress brands in the world. First introduced in 2008, more people are sleeping on Sierra Sleep mattresses than ever before! By leveraging their global resources, they are able to build mattresses, foundations and adjustable bases with better comfort technologies normally included in mattresses sold at much higher prices. Also, each one of their mattresses must pass over 200 quality control tests before leaving our manufacturing facilities. They recognize the vital role your mattress set plays in your home and are committed to providing you, our customers, with outstanding sleep products, all at an Ashley Value.