Silentnight beds have been at the forefront of bed development for more than half a century. Developing the trade marked Miracoil spring unit was a huge breakthrough in bed design. The Miracoil spring unit Give the benefit of No Roll Together and No Roll Off. The spring has been designed so that each person sleeping will not roll into the centre of the bed and will also not be able to roll off the edge or feel like they are rolling off. Silentnight beds are the best known brand of beds and mattresses in the UK. The Miracoil spring unit and Hippo and Duck characters have ensured the brand has stayed at the forefront of peoples minds. They have manufactured over 40 million beds and mattresses and are one of the most well established bed and mattress manufacturers in the world.