I bought this bed a few months after visiting a sleep number store--and although I liked the product--I didn't want to shell out thousands of dollars on a mattress. I read all the reviews on this mattress and they all seemed to be excellent, so I just decided to buy it and give it a try. I placed my order on a Friday and received it on Wednesday. Both my husband and I were having issues with our 4 year old spring mattress--as we both have back and neck problems. I have a herniated disk and acute scoliosis from a car accident 10 years ago, and my husband has three herniated disks, and spinal stenosis which presses against his sciatic nerve, resulting from an injury in the military. So needless to say--we both wake up in the mornings usually not feeling up to par. We got this mattress delivered yesterday and opened it and let it air out for several hours. It expanded to the full 14 inches by the evening and although there was a faint "chemical" smell, it wasn't bothersome, and after I put the linens on I couldn't notice anything but my fabric softner anyways. I slept terrificly and woke with no back or neck pain. My husband texted me when he woke up and told me he was in love with the mattress and couldn't wait until he got home from work later to sleep in it again. We are very happy with this purchase and have no regrets buying it whatsoever! I would recommend to anyone with orthopedic issues/injuries, or arthritis patients. This bed feels like a cloud!! I'm ordering one for my mother in law today, too!