I honestly can't fathom the reviews on this mattress. I have had it for around 3 weeks - wanted to give it a good chance before writing any reviews but my back can't take it any longer. I wake up every morning and my lower back is aching. I've also been tossing and turning all night as it is just not comfortable.  I only bought it as a stop gap as just moved house and it's true what they say - you get what you pay for and although this mattress is a great price it's not worth the cost of having an aching back .