Firm support with orthopaedic features The Silentnight Miracoil Ortho Mattress is specifically designed to provide superior orthopaedic support and relieve pressure points. Its innovative Miracoil spring system ensures consistent and even support across the entire surface, preventing roll-together and offering targeted support where your body needs it the most. Wake up refreshed and rejuvenated as the mattress promotes proper spinal alignment, alleviating any discomfort or stiffness.