how to fix a sagging memory foam mattress

Memory Foam Sag (3 Fixes & 4 Prevention Tips)

If you’ve ever used a memory foam mattress, you’ll have experienced how they offer pain relief, temperature control, and all-round better night’s sleep.

However, you may also have encountered the issue of sagging. Over time, your mattress will lose its shape, but don’t fear! You don’t have to worry about having to discard it. It’s entirely possible that you can fix the saggy mattress.

By understanding what causes a mattress to go saggy, you can not just fix a sagging memory foam mattress but there are also preventive steps that you could take to avoid the mattress from losing its shape.

It just takes a little bit of love and care. Read on to find out how to fix a lumpy memory foam mattress and learn the remedy for sagging mattress problems.

Soon enough, you’ll be enjoying all the incredible benefits of memory foam again.

What Causes a Memory Foam Mattress to Go Saggy?

Before fixing the problem, it’s important to know what causes the sagging in the first place.

The main reasons that a foam mattress will sag are:

  • Poor care – Just like any other household item, if you look after the mattress it will look after you. Prevention is the best way to fix a sagging mattress, so read on to learn more about proper foam mattress care in the following section of this post.
  • Overuse – The more time you spend on your mattress, the more quickly it will deteriorate. Therefore, you should only use the mattress for sleeping.
  • Poor mattress support – What’s beneath your mattress matters. If your foam mattress is on a soft or uneven surface, then it’s likely to sag.
  • Moisture-related damage – A good foam mattress controls your temperature with its intermediate layer of aerated foam. However, you’ll have to take steps to stay cool so that you do not introduce dampness into the mattress. If you’re in a hot room with too many blankets, it’s probable that your sweat will seep into the foam layers and cause the inside to deteriorate over time.

How to Prevent a Sagging Memory Foam Mattress?

You know that the best way to fix a sagging mattress is actually to prevent damage in the first place, but how do you achieve this?

Here are the best ways to prevent a memory foam mattress from sagging:

1. Look after it

A bit of love and care go a long way.

Every 3 to 4 months, you should rotate the mattress from head to toe to even out the pressure you’re putting on it. While you doing that part of maintenance, vacuum-clean the mattress and wash the sheets and mattress protector.

Keeping your foam mattress clean and cared for with periodic rotation will help keep it in shape and continue to provide you with a good night’s sleep.

2. Use the mattress only for intended purposes

Most memory foam mattress sagging is age-related, so you can extend its lifespan by using it only for purposes such as sleep and sex.

Leave eating and drinking away from your bed. Avoid placing heavy items on the bed since this can also introduce point loads that can contribute to foam mattress sagging.

3. Use a proper bed base

A solidly constructed bed base acts as a platform on which the memory foam mattress can rest and be supported adequately.

Invest in a high quality slatted or other types of platform bed bases that are properly designed for foam mattresses.

The use of the wrong type of bed base such as a box spring is one of the main reasons foam mattresses dip and sag. Think of the bed base and the memory foam mattress as a single cohesive unit that only works well when they are paired.

4. Keep the mattress dry

A sagging mattress may be a sign of water-related damage.

Always keep your room cool when you’re sleeping in it to prevent sweating. You would also do well to avoid drinking on the bed to prevent accidental spillage.

If and when water spillage occurs, dry it quickly. There might also be the occasional bedwetting which should be dried and cleaned as soon as you can.

You can use these foam mattress cleaning methods to clean your mattress off dust and stains including pee stains.

How to Fix a Sagging Memory Foam Mattress?

It can be disheartening to see your mattress sag as it’s not giving you the quality sleep that you used to enjoy.

Don’t worry though. It’s possible to fix a lumpy memory foam mattress. With a bit of time, you can get it back to how it was before.

Here’s the 3 ways to fix a sagging mattress:

1. Use a mattress helper

This is the most effective way to remove the sag in a memory foam mattress. Although it can be expensive, it will help extend the lifespan of your mattress, saving you the cost of buying a new one.

Simply insert the mattress helper underneath the sagging area and the mattress will slowly return to its original form.

A mattress helper provides the support that was previously missing which the body needs for proper spinal alignment and comfort.

2. Replace the base

As alluded to earlier, if you’re using a box spring or perhaps a slatted bed base with slats spaced more than 3” apart for your memory foam mattress, it is likely the cause of the sag and should be replaced.

The proper support provided by platform-type bed bases can help to level out the foam mattress, restoring it to its original shape.

3. Use pillows

If using a mattress helper or buying a new base is too costly, there is another secret tip – pillow. Pillows can also act as the perfect remedy for a sagging mattress.

This is especially true if the sag is deep and directly in the middle of the memory foam mattress which is often the case.

Simply place a pillow beneath the sag to hold the mattress up. Choose the appropriate pillow thickness for the amount of sag you’re dealing with.

Over time, your memory foam mattress should regain its shape and once more offer a comfortable night’s sleep.

Perhaps you could try this little trick and see if it fixes your saggy memory foam mattress. Only when you do not find the fix satisfactory do you proceed to a more expensive option.

Does a Mattress Warranty Cover Sags?

If you are worried that the level of sagging in your memory foam mattress has gone beyond repair, then check your mattress warranty to see if you’re covered.

The warranty will almost certainly cover mattress sagging since this is one of the most common defects in memory foam mattresses. In most cases, you will be able to get a free replacement mattress if the dip falls below a certain specified level.

Modern mattresses are designed to last a long time. Therefore, a major sag could be a sign of product defect and be covered by the warranty. Just make sure to claim within the stipulated time limit.

But beware that if you use an inappropriate bed base against the manufacturer’s requirements for warranty cover, you aren’t covered.

Warranties vary so read yours carefully before buying any new memory foam mattress.

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