This mattress is definitely not for me. I've been tossing and turning since my first night waking up with a sore back, hips and sides. The top cover can be compared to sleeping on two or more comforters - too squishy. There is also a problem with retaining too much heat. It feels like sleeping on a heating pad set to low/medium. An epic failure. Just waiting for the 30-days to start the return process.