Superbly designed the silentnight oslo divan with mattress boasts miracoil sprung system which is blended perfectly with memory foam to bring a tailored support to you while taking rest in miracoil sprung system one wire is continuously running up and down to distribute your weight evenly on mattress preventing roll together to allow all people to sleep in their zones regardless of their size and shape the luxurious layer of memory foam responds to body heat and weight by moulding ar