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How Long Do Memory Foam Mattresses Last?

Memory foam mattresses are known and loved for the long-lasting comfort that they provide. In comparison to regular mattresses, memory foam mattresses typically last longer. If they’re cared for correctly, they can provide you with a good night’s sleep for at least 10 years.

Due to natural wear and tear, the quality of the mattress will reduce over the years. It should, however, give you the support that you need for at least 10 years before you need to think about buying a new one.

how long do memory foam mattresses last

How to Maintain Your Memory Foam Mattress

How you treat your mattress will impact how long it actually lasts. In the same way that you’d take your car for an MOT, there are a few things that you can do to ensure the longevity of your memory foam mattress. 

#1 Airing It Out

While you’re sleeping, your mattress can potentially accumulate excess moisture. Excess moisture can lead to bacterial growth. Therefore, it’s important to allow your mattress to breathe. You should remove all of your bedding, use your ceiling fan if you have one, and let it air out for a couple of hours. 

#2 Bedding

How clean your bedding is will affect how clean your mattress is. By changing and washing your bedding regularly, your mattress becomes fresher and longer-lasting. 

#3 Frame

Your mattress is supported by your bed frame, so you must pick a frame that can uphold and protect your mattress’ quality. Strong frames will prevent dips and bumps in your mattress. Make sure you also avoid slatted bases as the foam sinks between the gaps and really compromises the support the mattress offers your body.

#4 Mattress Protector

By purchasing a mattress protector, you’re not only provided with an additional layer of comfort, but you’re also protecting the mattress beneath it. Protectors help to prevent stains, bacterial growth, and more.

#5 Rotation

You should rotate your mattress 180 degrees every few months to ensure that your weight is evenly distributed. Without doing so, the mattress could sag much more easily.

What Impacts the Lifespan of My Mattress?

Body Weight

How heavy you are will impact the lifespan of your mattress. Tossing and turning on your mattress will eventually cause your mattress to sag. For one person, bodyweight won’t tend to be an issue. However, more sleepers will put more pressure on your mattress.

Sleeping Position

Sleeping in different positions will put pressure on certain areas of your mattress. For example, if you’re a side sleeper, then you’re more likely to make an impact on your mattress than if you were to just lay flat on your back.

When Should I Change My Mattress?

If you’ve had your memory foam mattress for a long time, then chances are then it’s time to buy a fresh one. Mattresses aren’t something where expense should be spared. Although they can potentially be quite pricey, they’re an investment. 

Even the best quality mattress will begin to deter over time. Here are some signs that you should look for to determine whether it’s time to buy a new mattress.

Allergic Reactions

As is expected, mattresses will accumulate a collection of dust over the years. This can have an impact on the quality of your sleep. You might notice that you become more sniffly in the mornings or when you’re nearer to your bed, this could be a sign that your mattress is the cause.

When purchasing a new mattress, you might want to consider a hypoallergenic one, that’s more suitable for allergies.

Over 10 Years

Although some mattresses can physically last longer than 10 years, it’s probably best to part with it and purchase a fresh, new one. Not only will the quality have significantly have reduced, but the build-up of oil, dirt and grime is not all that healthy.

After 10 years, it’s time to look for a new memory foam mattress that can give you the support that you need.


If your mattress starts to sag, this is a pretty notable sign that it’s time to buy a new one. 

After using your mattress nightly, your body weight is bound to apply pressure and cause the mattress to sag. 

It may begin to lose its shape and cause you to sink. If you see dips in your mattress, this will no longer provide you with the support that you need. A lack of support from your mattress could lead to potential problems, particularly regarding neck or back pain. 


You should keep your memory foam mattress for a maximum of 10 years. If you’re noticing a reaction or sagging, then it’s time to change your mattress for a new one.