The ideal firmness level depends on your primary sleeping position to ensure your spine remains neutral:
: These combine a coil support core with thick foam comfort layers. They aim to provide the support of an innerspring with the pressure relief of foam. consumer reports mattress buying guide
: Typically perform best on a medium-firm surface that maintains the natural lumbar curve of the lower back. The ideal firmness level depends on your primary
: Built entirely of foam layers (memory foam, polyfoam, or latex) that provide a "cradling" sensation. They offer excellent motion isolation but tend to retain more heat. consumer reports mattress buying guide