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Mattress Firmness Guide

When diving into the sea of mattress shopping, you may have found yourself looking at all of the different mattress qualities and wondering, “What kind of mattress firmness do I need?” or “What is better, a firm or soft mattress? Luckily, we’re here to help you find the best mattress firmness for you.  

Table of Contents


What Is Mattress Firmness? 

Mattress firmness is just what the name states: how soft or hard the mattress feels. Preferred mattress firmness is entirely subjective, and everyone will have a preference when it comes to how hard or soft they want their mattress. The firmness of a mattress helps determine the overall comfort level of a mattress. 

Mattress firmness is an extremely important characteristic to consider when looking at mattresses. The size of the mattress should not affect the level of firmness.  

Depending on factors such as your body type, weight, and sleeping position, different firmness levels will feel better for different sleepers. A mattress will be harder or softer based on the materials it’s made out of and how the mattress is built. 


Firmness vs. Support 

While you might think that mattress firmness and mattress support are the same things, they are not.  

Mattress firmness refers to the feeling that you get when you lie down on your mattress. Mattress support, on the other hand, refers to how well your mattress holds and distributes the weight of your body and keeps your spine in alignment. They are related, but not synonymous or interchangeable. For example, a mattress may feel extremely soft but still offer significant support. Conversely, a firm mattress may be hard but not actually offer adequate support or body contouring. 


Why Does Mattress Firmness Matter? 

The firmness of a mattress is one of the most important characteristics to take into consideration when choosing a mattress. The firmness of the mattress you choose will determine the overall comfort level of your bed, as it will either make each night of sleep restorative and enjoyable or cause you to wake up with aches and pains (or possibly even prevent you from falling asleep in the first place).  


Mattress Firmness Scale 

 yogasleep mattress firmness guide

What Is The Mattress Firmness Scale?  

To help mattress buyers understand firmness, most mattress companies tend to score their beds on a Firmness Scale with a rating from 1 to 10 – with a 1 being the softest mattress imaginable and a 10 being the firmest.  

While you should not determine your desired mattress firmness solely based on the mattress firmness scale, it can help give you an idea of what you’re looking for in a bed. Just remember, levels of firmness will feel different for each type of bed (innerspring, memory foam, etc.), and the firmness level that feels right to you might not suit your partner.