We had slept on a memory foam mattress for several years but were always waking up with back aches. The two different memory foam mattresses we had, left impressions (especially my husband’s side) and it became difficult for him to turn and get out of the indentation his body had left. The Beautyrest Silver Extra Firm Innerspring Mattress (after the first couple of nights) has been a definite improvement for both of us. My husband has severe arthritis in his lower back and I have scoliosis and spinal stenosis as a result from polio as a child. We both now wake up pain free. We both highly recommend this mattress to anyone at an 
unbelievable savings through Wayfair. We had no problems with the delivery service. It came when expected with two very nice men who took away our old mattress. We were amazed how smoothly everything went!  Thank you Wayfair!