There is one notable construction difference between memory foam and hybrid mattresses: Hybrid mattressescontain some type of coils, while memory foam mattresses do not. This one design variation makes the mattresses different in quite a few ways.
Hybrid mattresses combine two support systems- memory foam layers along with an innerspring system. Hybrid mattresses are a great way to experience the pressure-relieving benefits of memory foam while retaining the classic feel of an innerspring mattress.
There aren’t any average mattress thickness regulations. Typically, most high-quality mattresses are around 8 to 14 inches thick.
Here’s a standard list of how mattress companies group their mattresses based on thickness levels: