How Long Does Memory Foam Last and How to Properly Clean It

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Last updated: August 30, 2023
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Bed mattresses typically don’t come cheap, which is why you should consider the usable lifespan of the product when shopping for a new mattress. Memory foam mattresses are a popular choice because they are highly durable.

So how long does memory foam last? On average, memory foam mattresses last longer when compared to traditional spring mattresses. This is typically because of the materials used to manufacture them. The two most important factors that can predict the lifespan of a memory foam mattress are the density and the core of the matters.

In this guide, will have a look at how long memory foam lasts and what impacts the lifespan of your mattress. We also have some tips on how to prolong the lifespan of your memory foam mattress, so you don’t have to replace it as often.

Let’s dive in!

What is memory foam

A memory foam mattress combines springs or support phone with a layer of memory foam. Its main purpose is to provide remarkable support and comfort. Memory foam uses body heat to soften and then mould to your shape for a very comfortable night’s sleep.

Memory foam was first designed in the mid-1960s by NASA Trusted Source Memory foam - Wikipedia Memory foam consists mainly of polyurethane as well as additional chemicals increasing its viscosity and density. It is often referred to as “viscoelastic” polyurethane foam, or low-resilience polyurethane foam (LRPu). and its original purpose was to counteract the extreme pressure astronauts had to deal with when exiting the Earth’s atmosphere.

Since then, the potential to use memory foam in many other products became obvious, and today you can find it in numerous products, including mattress toppers, pillows, mattresses, and even shoes.

What are the benefits of memory foam?

Memory foam mattresses have quickly become a popular choice with customers around the world because they come with lots of benefits that set them apart from other mattresses. Here are some of the most important:

Pressure point relief

Memory foam mattresses distribute your body weight evenly in order to reduce pressure. This helps to promote healthier blood circulation and relieve aches and pain throughout the night. There are memory foam mattresses specially created for people with neck pain, and others do wonders for those who suffer from sciatica.

Optimal support and comfort

Memory foam mattresses contours to the shape of the body for targeted support and optimal spinal alignment. You’re basically getting very good level of personalised comfort that will make you feel that the mattress was designed just for you.

Reduces transfer of movement

Memory foam creates a personal sleep zone by contouring your body, which means that you won’t be feeling your partner tossing and turning. This is the best type of mattress to buy if you sleep with a partner and are often woken up by their movement at night. As you lay into bed, the mattress forms a cocoon that helps reduce transfer of movement, thus allowing for better sleep for you and your partner.

Signs of worn-out memory foam

How Long Does Memory Foam Last and How to Properly Clean ItMany people believe that the warranty of their matters is the best guide to determine when it’s time to replace it. This couldn’t be farther from the truth, though, so it’s important to learn what are the signs of a worn-out memory foam mattress.

The age of the matters is an important thing to consider but sagging and lumps are certain giveaways that let you know it’s time to shop for another mattress. If you sleep on a sagged mattress, you’re very likely to wake up uncomfortable in the morning. You also don’t feel well rested and may end up feeling drowsy during the day.

Sagged mattresses may also cause pain in your muscles, back, and joints. They typically occur when springs break down and the foam compresses over a short period of time. If the sagging in your mattress is over 1.5 inches deep, a new mattress should be on your priority list.


If you notice a musty smell in your memory foam mattress, it might be time to look for another one. While there are methods to remove odors from memory foam mattresses, including lingering odors, once a mattress starts to smell regularly, replacing it should become a priority.


If you notice that your allergies seem to become worse at night or first thing in the morning, that would be a clear indication that you need a new mattress. Dust mites thrive in bedding and mattresses and they are one of the leading causes of allergens.

Even though memory foam mattresses are most resistant to dust mites, they are not immune to them. Dust mites multiply and hibernate in mattresses, so it’s important to use a dust mite resistant mattress cover to extend the life of a new mattress. Allergies can also trigger snoring, so look for mattress that’s great for people who snore and make sure you keep it dust free.

What’s your memory foam mattress’s lifespan?

How Long Does Memory Foam Last and How to Properly Clean ItWhen compared to a normal mattress, memory foam ones will last approximately 8 to 10 years and sometimes even more. Just like in the case of other mattresses, the longevity will depend on how well you take care of your mattress and the quality of the materials as well. It’s always a good idea to pair your memory foam mattress with a solid foundation or base and rotate it every three months.

How long does a gel-infused memory foam mattress last

A quality gel infused memory foam mattress should last 8 to 10 years as well, but it’s also important that you take good care of it. Memory foam mattresses don’t need to be flipped, because this puts the support layer on top. However it’s important to rotate the mattress every three months. According to most reviews, this Shiloh gel infused memory foam mattress is the best in its price range.

Serta mattresses

You should expect a Serta mattress to last approximately 10 years before replacing it because it’s too old or worn out. Serta mattresses come with a 10 year warranty.

Health care mattresses

This is another quality brand of mattresses that you should expect to last for years.  They also come with a 10 year warranty, so you shouldn’t expect to shop for a replacement any time soon.

Zinus mattresses

Zinus offers a 10-year warranty for all the memory foam mattresses they sell. As with most other brands, the warranty only covers mattresses that are used properly and the tags remain in place. The mattress is protected against defects in materials and workmanship. Does it mean it will become saggy right after the warranty is over? Nope. We’ve seen Zinus mattresses that’s been in use for 15 years and still help their shape like new ones. That’s why proper mattress care is so important.

What’s your memory foam pillow’s lifespan?

How Long Does Memory Foam Last and How to Properly Clean ItIf you are buying a memory foam pillow as well, you may be wondering how long do memory foam pillows last. The answer is two to three years, which is definitely longer than down pillows, but not quite as much as latex.

Just like in the case of memory foam mattresses, you can prolong the longevity of a memory foam pillow by regularly cleaning and fluffing it. Keep in mind that one-piece pillows such as those made from memory foam are typically prone to developing mildew when they’re wet.

As such, you should do your best to keep them as clean as possible while keeping them away from water.

What’s your memory foam topper’s lifespan?

How Long Does Memory Foam Last and How to Properly Clean ItMemory foam toppers have an average life span of 3 to 5 years, and just like in the case of mattresses and pillows, their longevity depends on numerous factors. Some of them include the frequency of use, the weight you put on it, thickness, how will you maintain it and the condition of your mattress.

It is essential to remember that you cannot clean your memory foam mattress topper just as you do with your bed sheets and pillow covers, because you can’t throw them into the washing machine. The good news is that there are multiple ways to keep your memory foam mattress topper in good shape.

Start by vacuuming it regularly to clean all dust particles and grime. You can do so with the soft brush attachment of the vacuum cleaner by placing the topper on a hard and flat surface in order to make sure that you reach all the corners.

Spot clean any stains you may notice on the popular with clean cloth dipped in a cleaning solution. Make sure that you would dry your mattress topper completely because any traces of moisture may result in mildew or mild growths.

How to prolong memory foam’s life?

There are multiple ways to protect your mattress and the longest lifespan. While it’s impossible to keep the same matters forever, you can extend its life by keeping it clean and protecting it as much as possible.

One of the best things you can do is to use a mattress protector as soon as you receive your new mattress. This will protect your memory foam mattress against accidents and spills. And even if you think that you are a neat person who doesn’t drink or eat in bed, the truth is bodily oils and skin flakes can also make their way through the sheets and into the mattress.

How Long Does Memory Foam Last and How to Properly Clean ItYou can also add a good topper to the mattress, especially of you’re a side sleeper and want to benefit for the improved comfort.

Next, make sure that your mattress is properly supported. You will need a solid platform to ensure that the mattress wears evenly, which can be in the form of a box spring or foundation. It’s important to check with the manufacturer of the mattress because some warranties are voided if you are not supporting the bed as advised.

Finally, rotate the mattress regularly to keep it in good shape. Some of the new generation memory foam mattresses are made with customized layers and they don’t require flipping or even rotating, but you should remember to rotate your madness at least once every three months because sleeping in the same spot every night can leave specific wear and tear in a single section of the mattress, which leads to it wearing out more quickly.

Final thoughts

With the right care, memory foam mattresses can last between 8 to 10 years, which is quite durable when compared with other types of mattresses. The warranty typically tells you how long the manufacturer expects it to last.

Now that you got an answer to the question “how long does memory foam last,” it’s time to look for an investment u your sleep health. Make sure you choose a mattress that cushions you and relieves pressure for a good night’s sleep every night.

It’s also important to remember to care for your new memory foam mattress carefully so you can enjoy it for the years to come.


Memory foam - Wikipedia
Memory foam consists mainly of polyurethane as well as additional chemicals increasing its viscosity and density. It is often referred to as “viscoelastic" polyurethane foam, or low-resilience polyurethane foam (LRPu).

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