Wasn't sure what I was going to get, and I suffer with spinal problems, but I have had the best nights sleep on this mattress since getting it. This mattress is a must if you have any back problems as it's a firm mattress but gives you support all over. I'm 16 stone and my husband is 15 stone. We don't feel either of us when we move over in bed and he moves a lot and normally wakes me up a lot every night, but now I sleep like a baby all through the night. I wish we brought this mattress years ago.