Born from NASA technology and perfected for sleep.
Free delivery available from 3 weeks.
Exclusive to Dreams, the Sealy Alderney mattress combines cocooning comfort with lasting support. Its PostureTech Core Support springs and reinforced EdgeGuard provide responsive support and a spacious sleep surface, while a MemorySense® layer gently contours to your body for pressure relief. Finished with a premium quilted cover and crafted with sustainability in mind, this mattress is designed for comfort and durability.