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Should I Upgrade My Memory Foam Mattress Size from 10 Inches to 12 Inch?

Mattress dimensions are tightly linked to our sleeping experience, sleeping habits, and how well they fit our bodies. We believe there is no one-dimension standard that fits all needs when it comes to mattresses. Different sizes and materials are used in mattresses to meet our growing requirements. Don't know how to decide between these two sizes? We'll introduce these two thicknesses from an objective standpoint.

Should I Upgrade My Memory Foam Mattress Size from 10 Inches to 12 Inch?


  • Benefits of 12-inch memory foam mattress
  • Benefits of 10-inch memory foam mattress
  • What affects your mattress thickness selection

Benefits of 12-Inch Memory Foam Mattress

A mattress is typically composed of three layers - comfort layer, transition layer, and support layer. Generally speaking, a thicker mattress means these three layers thicken in proportion in one product model. However, some manufacturers only thicken the comfort layer, which depends on the brand and their production process.

Anyway, it may better conform to your body because of its extra thickness, resulting in a more pleasant and restful sleep. Whether you sleep on your back or your side, a 12-inch mattress helps you awaken feeling rested and prepared to face the day. The additional thickness of a 12-inch memory foam mattress can better distribute your body weight, providing a more comfortable sleeping experience. It’s particularly significant for those who crave extra comfort or those who carry extra weight.

The durability of a 12-inch memory foam mattress is another advantage. It is less likely to sag or develop lumps over time because of its increased thickness. As a result, you won’t have to be concerned about your mattress losing its support or shape for many years to come.

Benefits of 10-inch memory foam mattress

What are the benefits of a 10-inch memory foam mattress, exactly? First of all, a 10-inch memory foam mattress is lightweight and easy to move around.

This makes it a practical choice for people who like to rearrange their rooms or more homes frequently. No more struggling to lug a heavy mattress around. Plus, a 10-inch memory foam mattress is typically firmer than a 12-inch counterpart, the overall feeling can be more supportive due to the thinner layers of memory foam. It’s an ideal option for those who prefer a firmer sleeping surface.

Besides, a 10-inch memory foam mattress is also an affordable option. If you’re on a budget but still want to enjoy the benefits of a memory foam mattress, a 10-inch model might be the perfect choice for you.

What affects your mattress thickness selection

There are millions of factors that can affect your sleep, things like how much exercise you get during the day, the noise level outside your room, the temperature in your room, your emotional state, and even when you had your last cup of coffee, which can all impact your sleep. Of course, the item that is directly related to your sleep would be your bedding and mattress. Making a change suddenly would be a ridiculous story, while we cannot deny a good mattress can positively affect our sleep. If you are still hesitating about mattress thickness, just follow our guide and you’ll figure it out.

Body Type

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  • Lightweight sleepers (under 130 lbs)

    Individuals with a petite frame often have a harder time feeling the effect of a thicker mattress. This means that even a relatively thinner mattress can provide adequate comfort and support for those who fall into this category.
  • Average sleepers (130-230 lbs)

    As a general rule of thumb, most average sleepers can opt for either a 10 or 12-inch mattress. However, this ultimately depends on your personal preference for mattress firmness and thickness.
  • Heavier sleepers (over 230 lbs)

    The best option for heavier sleepers is a 12-inch thick mattress. An additional two inches deliver the extra comfort and support you need. A thicker layer of materials can also prolong the use and prevent sagging over time.


How you sleep can put pressure on certain parts of your body and affect how much cushioning you may need in a standard mattress. And that’s why your sleep position is important when choosing mattress thickness.

  • Side sleepers

    The most support is needed for the shoulders and hips. A softer sleep surface can better contour your body and achieve pressure relief.
  • Back sleepers

    The great news for back sleep is that you can sleep soundly on either a 10-inch or a 12-inch mattress. The key to a good night's sleep for back sleepers is a mattress that has a thinner comfort layer and a thicker support layer, ensuring your spine and neck are aligned properly.
  • Stomach sleepers

    Stomach sleepers should pay more attention to the mattress type or the mattress firmness, to make sure that your neck and spine are aligned in a proper position. It is better to opt for a firmer mattress, with a thickness, depending on your needs.


It is important to consider the height of your box spring, foundation, platform, or adjustable bed frame. The overall height of your mattress, including your mattress topper and bed base, should exceed 25 inches, which is the height at which you can simply sit on the edge of the mattress and check if your feet can comfortably rest on the floor.


No one can experience your sleep like you do. Some people prefer a thicker mattress for added cushioning and support, while others prefer a relatively thinner mattress. Consider what kind of sleep experience you enjoy and pick a thickness that meets your needs.


User reviews can be incredibly helpful when it comes to choosing a mattress thickness between 10 inches and 12 inches. Based on what users have reported, it seems that a 10-inch mattress is a great choice for back sleepers who are looking for good support and overall comfort. However, some users have mentioned that it can be a bit too firm for their liking, particularly if they tend to sleep on their side. It’s important to keep in mind that what works for one person may not work for another. So take your time, do your research, and make a choice that feels right to you.

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