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Can I Put A Mattress on Top of Another Mattress?

By: Christina Davies
Updated on: November 22, 2023

  • Stacking mattresses is not recommended as it can damage both mattresses, reduce breathability, void mattress warranties, and lead to mattress movement and slipping.
  • Old mattresses may accumulate allergens, dust mites, and bacteria over time, posing health risks.
  • Safer ways to achieve a taller bed include using bunkie boards, mattress toppers, bed risers, or adjustable bed frames.
  • Repurposing old mattresses for daybeds, guest beds, trundle beds, or Murphy beds can be a creative and eco-friendly solution.
  • There are some potential benefits to placing a foam mattress on a regular mattress, such as reduced motion transfer and improved spine alignment.
  • To protect your new mattress, avoid jumping on it, keep it clean, flip it over regularly, use a mattress cover, and follow manufacturer care instructions.

When it comes to finding the perfect bed height or repurposing an old mattress, you may wonder if it’s possible to stack one mattress on top of another. While it may seem like a convenient solution, there are several reasons why it’s not recommended to stack mattresses. This article will explore potential issues with modern mattresses and alternative methods to achieve the desired bed height or repurpose an old mattress.

Why Stacking Mattresses Is Not Recommended

Stacking mattresses can cause various problems, including damage to the mattresses, reduced breathability, voiding of mattress warranties, and the risk of mattresses moving and slipping. Let’s delve deeper into these reasons:

It Will Damage Your Mattresses

When you stack a new mattress on top of an old one, it can lead to damage to both mattresses. The uneven surface of the old mattress can rub against the bottom of the new one, affecting its ability to provide proper support. Additionally, transferring dirt, bed bugs, dust mites, fungi, and germs from the old mattress to the new one can expedite wear and tear, ultimately shortening the lifespan of the bottom mattress of the new mattress.

It Reduces Breathability

Stacking mattresses creates a barrier that restricts airflow, and air circulation and leading to reduced breathability. This can be problematic for individuals who tend to feel hot while sleeping or live in warmer climates. The trapped heat and moisture between the mattresses can result in uncomfortable and sweaty nights. Additionally, the increased moisture creates an ideal environment for mold, dust mites, and fungi to thrive, potentially triggering allergic reactions and compromising indoor air quality.

It Voids Your Mattress Warranty

Stacking mattresses can void the warranty of both mattresses. Manufacturers typically provide a warranty to protect against sagging and defects in workmanship, usually lasting from five to 15 years or more. However, using an unsupportive foundation, such as stacking mattresses, goes against the recommended guidelines and can lead to premature sagging. Additionally, the lack of proper ventilation and increased risk of moisture buildup in air mattress can foster the growth of mold, mildew, and bacteria, voiding the mattress warranty.

It Will Move and Slip

Placing one mattress on top of another can compromise the structural integrity of both mattresses. The mattresses may wobble during activities such as getting in and out of bed, leading to instability and an uncomfortable sleep surface. Additionally, the edges of different mattress types are often not completely flat, increasing the likelihood of the mattresses sliding against each other. This continuous movement can compromise the structural integrity of the mattresses and potentially result in misshapen or broken internal springs.

Health Risks of Old Mattresses

Aside from the concerns associated with stacking mattresses, using an old mattress can pose several health risks. An old mattress may not offer adequate support, leading to improper spinal alignment and discomfort. It can also accumulate allergens, dust mites, bacteria, mold, and mildew over time, negatively impacting indoor air quality and potentially triggering allergic reactions and respiratory issues. Replacing old mattresses with new ones that provide proper support and promote good sleep hygiene is important to ensure a healthy sleep environment.

Safer Ways for a Taller Bed

If you’re looking to achieve a taller bed height, there are alternative methods that are safer and more effective than stacking mattresses. Here are a few options to consider:

Bunkie Boards

A bunkie board is a thin and solid foundation typically made of wood or metal. Originally designed to replace a box spring in bunk beds, a bunkie board can be used with any type of mattress. Placing a bunkie board on top of two box springs or your bed frame or platform can add some extra height to your mattress. However, keep in mind that the increase in height will be minimal since bunkie boards are generally thin, usually around 1 to 3 inches thick.

Mattress Toppers

A mattress topper is a thick layer of padding that can be placed on top of your existing mattress to add extra height and cushioning. This can make your bed feel more comfortable and give it a higher profile. However, it’s important to choose a foam mattress topper that suits your specific needs. Some other mattress covers and toppers are designed to make a bed softer or firmer, so select one that aligns with your preferences.

Bed Risers

Bed risers are special platforms that go under the legs or corners of your bed frame to lift the entire bed, including the mattress. By using bed risers, you can increase the height of your bed and create additional under-bed storage space. Bed risers come in different sizes and heights to accommodate various bed frame styles and preferences. Ensure that the bed risers you choose are made of sturdy materials and can support the weight of the bed and sleeper.

Adjustable Bed Frames

If you’re looking for a more customizable solution, consider investing in an adjustable bed frame. Adjustable bed frames allow you to change the height and angle of your mattress, providing personalized comfort and support. These frames often come with remote controls, allowing you to adjust the position of bed frame underneath the mattress to find the perfect elevation for sleeping, reading, or watching TV.

Repurposing Old Mattresses

If you have an old mattress that is still in good condition, repurposing it can be an eco-friendly and creative solution. Here are a few ideas for repurposing your old mattress:

Daybed or Sofa

You can transform your old mattress into a daybed or sofa by removing the box spring and adding legs to the mattress. Cover it with a fitted sheet or fabric that matches your decor, and add throw pillows for extra comfort and style. This repurposed mattress can serve as a cozy seating area during the day and a comfortable guest bed at night.

Guest Bed

If you have a spare room or space for guests, repurposing your old mattress as a guest bed is a practical option. Simply place the mattress on a bed frame or platform, and you’ll have a comfortable sleeping surface for visiting friends and family. You can enhance the guest bed with stylish bedding and accessories to create a welcoming environment.

Trundle Bed or Murphy Bed

If you’re short on space, consider repurposing your old mattress into a trundle bed or a hidden Murphy bed. A trundle bed is a bed that can be stored underneath another bed and pulled out when needed. A Murphy bed, also known as a wall bed, is a bed that can be folded up into a wall or cabinet when not in use. By repurposing your old mattress in this way, you can maximize space and provide a comfortable sleeping area for guests.

Are There Are Advantages To Sleeping On Two Mattresses?

Can I Put A Mattress on Top of Another Mattress? mattress regularly memory foam mattresses, divan bed

Ensuring a good night’s sleep is crucial for your overall health and well-being. When your current mattress just isn’t as comfortable as it used to be, but it’s not completely worn out and relatively new, you might consider the idea of adding another mattress. It might seem like an easy solution, but some factors must be considered.

While we’re often tempted to choose the cheapest option, the most affordable choice isn’t always the best. However, it doesn’t mean there are no benefits to using two mattresses stacked together.

If you have a box spring, you can place a box spring underneath the new mattress on top of the old one. It’s important to note that mattresses, like a box spring, require a solid foundation to maintain their structure. For some new mattresses, a robust metal frame might be sufficient to preserve their structural integrity. So, you might not necessarily need a box spring in all cases.

Another option is placing a memory foam mattress on a traditional innerspring mattress. This combination can enhance your sleep quality and is compatible with a standard box spring and bed frame. Memory foam innerspring mattresses are generally thinner than traditional ones, and they can help reduce motion transfer, leading to a more comfortable night’s sleep.

Can You Put A Foam Mattress On A Normal Mattress?

Yes, you can place a foam mattress on top of a regular mattress. Placing a foam mattress on a standard mattress is possible and comes with some advantages. Here are a few benefits of using a foam mattress:

  • Reduced Motion Transfer: A foam mattress effectively absorbs motion, preventing it from spreading across the bed and disturbing your sleeping partner.
  • Improved Spine Alignment: Foam mattresses provide extra support, which can help reduce joint pain and discomfort upon waking. This added support is particularly beneficial for those who tend to move around during the night.

However, it’s important to note that while there are benefits to stacking a foam mattress on a regular one, the disadvantages should not be overlooked. Foam mattresses may wear out more quickly when placed on top mattress older mattresses and are more susceptible to mites and mold growth. So, while it’s possible to use a foam mattress on top of a standard one, it’s essential to consider these potential drawbacks.

What Are The Best Ways To Protect Your Mattress?

Here are some simple ways to care for your new mattress:

  • Avoid jumping on your mattress: While it might be tempting to bounce on your bed, this can lead to quicker wear and tear.
  • Keep it clean: Regularly vacuum your mattress to remove dead skin cells, debris, and dust mites. Every 2-3 months, give it a deeper clean by exposing it to sunlight and sprinkling baking soda. This helps disinfect your mattress and keep it smelling fresh.
  • Flip it over: Many mattress manufacturers recommend flipping your mattress at least twice a year. This helps distribute wear more evenly.
  • Use a mattress cover: Protect your mattress with a cover that shields it from mites, mold, spills, and other potential damage. Remember to remove the cover and clean it separately every two months.

FAQs about Can I Put A Mattress on Top of Another Mattress?

Can I stack two different types of mattresses?

Yes, you can stack two different types of the mattresses on top of, but it’s essential to ensure they are compatible in terms of size and support.

Are there any weight restrictions for stacked mattresses?

The weight restrictions for stacked mattresses depend on your bed frame spring mattress and foundation. Ensure they can support the added weight.

How do I prevent the mattresses from sliding apart?

To prevent mattresses from sliding apart, you can use a non-slip mattress pad or can place mattresses with a non-slip rug pad between them.

Can I stack more than two mattresses for extra comfort?

While it’s possible to stack more than two mattresses, it’s essential to consider the height and stability of the mattress stacks, your bed frame and the overall comfort of the arrangement.

Do I need a box spring with stacked mattresses?

Whether you need box springs with stacked mattresses depends on the type of bed frame you have. Some frames require a box spring for support, while others do not.

Is it safe to stack mattresses for children’s bunk beds?

Stacking mattresses for children’s bunk beds is common. However, it’s crucial to ensure the platform bed setup is stable and secure to prevent accidents.


While it may be tempting to stack one mattress on top of another, it is not recommended due to potential damage to the mattresses, reduced breathability, voiding of mattress warranties, and the risk of mattresses moving and slipping. Instead, consider alternative methods such as using bunkie boards, mattress toppers, bed risers, or adjustable bed frames to achieve the desired bed height. If you have an old mattress, repurposing it as a daybed, guest bed, trundle bed, or Murphy bed can be a sustainable and creative way to give it a new life. Remember to prioritize your comfort and well-being by choosing the right mattress and ensuring a proper sleep environment.


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