How to make a mattress firmer?

How to make a mattress firmer?


If you find that your mattress is too soft and lacking the necessary support, you may be wondering how to make it firmer. A firm mattress can provide better spinal alignment and alleviate pressure points, leading to a more comfortable and restful sleep. In this article, we will explore various methods to make your mattress firmer and improve your overall sleep experience.

Adjusting the Foundation

One of the easiest ways to make your mattress firmer is by adjusting the foundation or base it sits on. If you have a box spring, check if it is worn out or sagging. Over time, box springs can lose their firmness and affect the support provided to the mattress. Consider replacing the box spring with a new one or opting for a solid platform bed frame that offers a more stable surface.

Using a Mattress Topper

A mattress topper can significantly alter the feel of your mattress. If your mattress is too soft, adding a firmer mattress topper can provide the desired level of support. Look for a topper made of materials such as latex or memory foam, which are known for their firmness. Make sure to choose a topper that is the right thickness to avoid altering the overall height of your mattress too much.

Replacing the Comfort Layers

If your mattress has removable comfort layers, you may be able to replace them with firmer options. Comfort layers are usually located on top of the mattress and can consist of materials like foam or fiberfill. Contact the manufacturer or retailer to inquire about the availability of firmer comfort layers for your specific mattress model. This option may not be available for all mattresses, especially those with integrated comfort layers.

Using Mattress Firmness Inserts

Another option to make your mattress firmer is by using mattress firmness inserts. These inserts are placed between the mattress and the foundation or between the mattress layers to provide additional support. They come in various materials, such as high-density foam or rubber, and can be customized to fit your specific needs. Mattress firmness inserts are particularly useful if you have a mattress with integrated comfort layers that cannot be replaced.

Rotating and Flipping the Mattress

In some cases, a mattress may feel softer in certain areas due to uneven wear. To address this issue, try rotating and flipping your mattress regularly. This will distribute the weight more evenly and potentially make the mattress feel firmer. However, not all mattresses are designed to be flipped, so check the manufacturer’s instructions before attempting this method.


Making a mattress firmer can be achieved through various methods, such as adjusting the foundation, using a mattress topper, replacing comfort layers, using mattress firmness inserts, or rotating and flipping the mattress. Consider your specific needs and the condition of your mattress before deciding on the best approach. Remember, a firmer mattress can provide better support and improve your sleep quality.


– Sleep Foundation:
– The Spruce:
– Healthline:
– Mattress Advisor: