I just didn't love it that 1st night after I got it. I am not feeling the cooling which is the reason I bought it. I only have one lightweight "Cooling" sheet on the bed but I still wake up sweating so that's disappointing. And it seems firmer than what I was expecting maybe because I don't weigh much but instead of sinking in, I just seemed to sit on top and my lower back still hurts. I'm just not sure what to think