The best sleep is a Sealy Posturepedic sleep To provide the best support, your mattress should allow your spine to maintain it's neutral posture whilst you sleep, reducing muscular tension and strain. Sealy Posturepedic works to provide correct support by aligning the body position during rest. Designed alongside orthopaedic surgeons We work with the International Orthopaedic Advisory Board to inform our product development. The board is made up of Orthopaedic surgeons, bio-mechanical engineers & medical scientists.