Indicates the main composition of the mattress, such as innerspring or memory foam. Some so-called "hybrid" innersprings include one or more levels of foam on top.

Upon my initial tests, it took me back to my high ... a bed. Sealy Posturepedic has three beds to choose from, the Posturepedic Spring, the Posturepedic Hybrid and the Posturepedic Plus Hybrid.

Indicates the main composition of the mattress, such as innerspring or memory foam. Some so-called "hybrid" innersprings include one or more levels of foam on top.

Though Sealy offers a variety of mattresses, we decided to keep it simple and test its flagship product, the Sealy Posturepedic Hybrid mattress ... it took me back to my high school days.