Had this mattress since March 2020 and I am already needing to replace it. Was great at first but has completely lost its firmness so I now dip all the way in and dips at the sides so you lose a lot of sleep space. Very uncomfortable in the long term and I now wake every morning with back pain and sometimes in the night as well ( I am only 26). I wish I had paid more for a better quality mattress as now it will cost me more to replace only 2 years on.