Founded in the US in 1870, Simmons started out as a small bed and mattress factory in Wisconsin. Since the early 20th century, Simmons has been a pioneer in applying science and technology to products, especially the invention of the independent pocket spring - a turning point that changed the entire mattress industry. For more than a century, the brand has always been steadfast in its mission to improve human sleep, while constantly innovating to meet the diverse needs of customers.