Kingsdown Mattress
Mattress sagging after a month, warranty useless
We purchased this top of the line mattress from KINGSDOWN with the memory foam, and after 30 days we decided we couldn't sleep anymore. It sags after an hour, is hot, and after a while you are down like 5 inches. If you and your partner sleep back to back, you will sink even further like 7 inches. ...