Specifically designed to address the five most common sleep complaints, the Goodwyn Firm features all-new technologies in an ultra-soft mattress. From the moment you lie down, you_ll notice the Comfort Right™ Layers providing instant comfort. As you settle in for the night, the Cool Balance™ Technology helps promote a balanced sleep temperature while the Custom Support Flex Innerspring promotes proper back support while minimizing motion transfer across the mattress. On top of it all, the Serta Perfect Sleeper® is the only official mattress of National Sleep Foundation, America_s leading voice for sleep health and safety!