How to Fix a Sagging Memory Foam Mattress

Memory foam mattresses are widely popular and can be found at many retailers. Although, many people report their memory foam mattress sinking in the middle causing uncomfortable, restless nights but it is possible to fix sagging mattress

Memory foam mattress sagging doesn’t need to be something you deal with on a nightly basis. It’s important to sleep on a cozy mattress and get quality rest every night. That’s why we’ve put together some tips and tricks for your memory foam mattress sagging fix  

What Causes a Sagging Mattress?

Causes of a sagging mattress could be down to: 

  • Frequency of use
  • Extra weight on the mattress
  • Inadequate mattress foundation
  • High moisture content 
  • Lack of mattress care 

Sleeping hot on your memory foam mattress? Learn how to keep cool on a memory foam mattress here

How to Fix a Sagging Memory Foam Mattress

A sagging mattress is no joke, it could cause sore muscles, stiff joints, insomnia, and exacerbate current medical conditions. To improve the sleep quality of a sinking mattress, try the following. 

Use a Mattress Pad or Mattress Topper 

A mattress topper is one of the simplest solutions to your memory foam mattress sinking in the middle or to improve any sagging mattress support. A mattress topper can be made of memory foam, latex, polyester blends, feathers, or wool. We make our Nolah Mattress Topper with ultra-durable cooling AirFoam™️. 

Replace Your Platform or Base

In some cases, your mattress may be comfortable but your mattress foundation is letting you down. If there are any missing slats or holes in the foundation, this can cause your mattress to sink into the holes, causing much sleep discomfort. Mattress support is essential in keeping your mattress comfortable and can prolonging its lifespan, so make sure you have a quality platform or base

Rotate or Flip Your Mattress

Rotating or flipping your mattress if you haven’t done it before is another great way to lengthen the mattress’s lifespan. Flipping and rotating the mattress ensures you’re sleeping on every square inch and could help if the mattress sagging on edges too. Take note of the mattress layers before flipping as some mattresses add a comfort layer to one side. 

Use Plywood or Cardboard to Improve Your Mattress Foundation 

If you’re experiencing a concave mattress or your memory foam mattress sinking in the middle. You could place some sturdy cardboard or plywood under the mattress on top of the foundation to patch the area for short term improvement. This may not be the best option for long term sleep help. 

Causes of a Sagging Mattress 

If you need sagging mattress support it could be down to the fact that your mattress is; 

  • Aging
  • Has lost support due to additional weight on the mattress
  • Using the wrong foundation 
  • Lack of mattress upkeep
  • Low mattress quality 

Your sleep health is a vital component of your overall health and wellbeing. A good night’s rest can give you a much needed boost and make you feel like you can conquer anything. Nolah's pressure-relieving mattresses made with AirFoam™ or natural latex provide award-winning sleep comfort at extremely reasonable prices.

3 Tips For Preventing Mattress Sagging

  • Rotate or flip your mattress occasionally so you’re sleeping on every square inch 
  • Consider a mattress topper for short term additional sleep comfort
  • Invest in a better mattress that provides far greater sleep comfort and support than memory foam 


Inevitably,  you will eventually experience a memory foam mattress not returning to shape or a sagging mattress. Considering a mattress is something that is used every day, even the best mattresses will need replacing sooner or later. 

You could fix sagging mattress temporarily by putting some firm cardboard or plywood under the mattress on top of the bed frame. Although not a long term solution, it may bring some comfort while you decide on which mattress to upgrade to. 

Also, flipping or rotating your mattress to make use of every inch could bring some additional comfort too. Whatever you do in your sagging mattress support attempts, remember your bed is meant to provide support and comfort. 

If you find yourself sleeping badly, waking with aches and pains, or tossing and turning all night from a sagging mattress. It could be time for an upgrade that could bring far superior comfort than any patch repair on an inadequate mattress could ever bring.  

Compare and Shop Nolah's Premium Mattresses

How to Fix a Sagging Memory Foam Mattress

If your memory foam mattress sinking in the middle you could put some firm cardboard or plywood under the mattress as a short term solution. Or, place the mattress on the floor if the foundation is inadequate. A mattress topper could also help to bring some comfort to your sagging mattress.  

How to Restore Memory Foam Mattresses

Like all mattresses, memory foam eventually wears out and needs to be replaced. If you’re finding your mattress a bit lumpy you could try a mattress topper to bring some short term relief and additional sagging mattress support. Mattress toppers are available in latex, polyester blends, feathers, or wool and can be found at reasonable prices. 

How to Fix a Sagging Mattress

A good saggy mattress fix is to flip or rotate your mattress if you haven’t done it before. Strip your bed and take this opportunity to vacuum the entire mattress and around and under the bed. Rotate the mattress so the part that was closest to the headboard is now at the foot of the bed and vice versa. 

How to Fix Mattress Indentation

A concave mattress could cause some serious damage to your sleep health. Insomnia is linked to many illnesses, therefore, sleeping on an adequate mattress is essential to your sleep health. Consider using a mattress topper if you find your mattress has become uncomfortable, especially a coil spring mattress as the springs can poke through the mattress after some use.  

How to Make a Mattress Firmer

Sagging mattress support is easier than you think. You could put some firm cardboard or a piece of plywood under the mattress if the foundation has lost a slat and there are holes in the foundation. Additionally, you could flip or rotate the mattress, or use a mattress topper for some short term comfort.