It seems be getting harder. I started off getting great sleep, better than my old bed. But the last 3 or 4 days has not been good. I'm thinking about returning it but will keep trying.
I thought from the reviews I read that it would be a firmer mattress which I need for my back. I am trying to give it a little more time to see if it works for me. Recommending something like a mattress to a friend is pretty difficult because everybody likes different firmness