Ortho Sleep. A firm Miracoil sprung mattress with hand tufts. The Miracoil no roll together open coil spring system is a 3 zoned Silentnight exclusive. This gives you an extended sleeping surface and extra support where you need it the most. EcoComfort Fibre is proven to dramatically reduce heat for a comfortable night's sleep. The hard wearing Belgian damask cover is hand tufted in place. Buy this Ortho Sleep Was £265.00 Now £249.00.