Spears Mattress Company is one of the largest choices of sleep products in the industry for its customers. It is the original licensee of the Englander range of mattresses. The company also offers a variety of latex, viscoelastic and power beds. Spears Mattress Company is a part of Advanced Sleep Concepts and maintains more than 300,000 square feet of manufacturing space. Its brands include Rest & Restore, Hotel Grand, 21st Century, Synergy, Lifestyle and Tension Ease.