I love this mattress. I feel like I am floating on a cloud while laying down. The price is great too. Some fitted sheets will not fit well on this mattress because it's not the same thickness as a regular mattress. I use flat sheets as my bottom sheet and do hospital corners. I am not a wild sleeper so my sheets stay put. The mattress will sink a lot if you are sitting on the edge. But it's nice and quiet when you roll over. The mattress does not move at all when you are tossing and turning. I once slept on it while it was on the floor and it was very comfortable to my surprise. It holds up quite well when walking across it or even doing back flips. It holds it's shape while using as a desk when writing no sinking in. I was once ironing on the bed and I knocked the iron over and all the water spilled out. To my surprise the mattress was dry by the time I returned home to prepared for bed.