5 Best Mattresses for Trundle Beds

A trundle bed is low and often seen attached under a normal bed, making it ideal for saving space. It is designed to be rolled out when you have a need for it and pushed back under the main bed immediately after use. 

Since trundle beds fit under the main bed, the amount of space between both of them determines the right mattress for it. It would be a better idea to pick a mattress that is similar in appearance to the model on your main bed for uniformity. One that is designed using durable materials will last longer regardless of its frequency of use. 

Quick Look at Our Top 5 Picks

ImageProductFeatures

Most Popular

Zinus Green Tea
  • Anti-bacterial
  • Medium-firm with pressure-relieving capability
  • Well-priced
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Budget Option

Linenspa
  • Great price point
  • Offers good pressure relief
  • Perfect for kids and teens
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Best Luxury

LifeKind
  • Pressure-relieving comfort
  • Natural latex with hypoallergenic properties
  • Gentle cradling effect
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Best for Side Sleepers

Nectar
  • Pressure-relieving memory foam
  • Minimal sagging
  • Excellent motion isolation
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Best for Stomach Sleepers

Saatva
  • No foul odors
  • Good air circulation
  • Contours the body nicely
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Knowing that most models use the twin size, here are the five (5) best mattresses for trundle beds as well some important considerations for making a good purchase.

Most Popular: Zinus Green Tea

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The 6inch green tea memory foam is very comfortable while being affordable enough to serve as a trundle mattress for house guests during sleepovers. It is infused with Green Tea extract and Castor Seed Oil which naturally prevents odors and bacteria build-up. This is great for trundle beds that are sometimes stowed away for long periods.

FeaturesAvailable Sizes
100-night trialTwin
10-year warrantyTwin XL
Charcoal-infused memory foam, Jacquard fabric coverFull
Medium firmness levelQueen
Back and side sleepersKing & California King

This comfy design is composed of 1-inch memory foam and 5 inches of high-density base support foam. The product is compressed and rolled into a box for convenient delivery. Once it arrives, it simply needs to be removed from its packaging within 72 hours and should expand to its original form within a few days. The manufacturer offers an impressive 10-year warranty for this amazing product.

Pros:

  • Anti-bacterial.
  • Medium-firm with pressure-relieving capability.
  • Well-priced.

Cons:

  • Not very responsive.

Budget Option: Linenspa

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This memory foam mattress comes with amazing features at an affordable price. Linenspa is all about offering maximum comfort and relaxation even for individuals that are on a tight budget. It has an 8-inch memory foam and innerspring support structures. The thick foam aids in canceling the sound of motion.

FeaturesAvailable Sizes
30-night trialTwin
10-year warrantyTwin XL
Hybrid construction, knit cotton coverFull
Medium firmness levelQueen
Stomach, back, and side sleepersKing & California King

It is a hybrid mattress, constructed with both foam and springs. The 8-inch model starts off at the base with 6 inch tempered steel springs. On top of that is a felt pad, which is meant to prevent you from feeling the springs. For a more cushioned surface, a 1.5-inch layer of comfort foam is placed above the felt pad in the transition layer. The top layer of this mattress is memory foam, which is quilted into the cover.

Pros:

  • Great price point.
  • Offers good pressure relief.
  • Perfect for kids and teens.
  • Good edge support.

Cons:

  • Cannot be flipped.

Best Luxury: LifeKind

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Trundle beds often require small-sized mattresses which may affect the degree of comfort that it can provide. However, the LifeKind model is great because it offers an organic latex design with the right level of responsiveness which makes up for thickness deficiency.

FeaturesAvailable Sizes
90-day trialTwin
20-year warrantyTwin XL
Latex, organic cotton, and a wool quilted coverFull
medium-firmQueen
Stomach, side, and back sleepersKing & California King

This mattress features a single layer of natural latex that is 3 inches thick. This gives the mattress its responsiveness and pressure relieving properties that allow users to enjoy deep sleep without interruptions. 

Latex is known to have pores that facilitate air circulation to prevent heat retention. The organic cotton and wool quilted cover of the mattress improves insulation and keeps the mattress allergen-free for a comfortable night’s sleep.

Pros:

  • Pressure-relieving comfort.
  • Natural latex with hypoallergenic properties.
  • Gentle cradling effect.
  • Bouncy and responsive.
  • Can be flipped.
  • Suitable for combination sleepers.

Cons:

  • Weak edge support.

Best for Side Sleepers: Nectar

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Side sleepers using a trundle bed need a mattress that can cushion their pressure points without giving way to push backs from the bed frame. A mattress that falls between Medium Soft and Medium Firm ensures the sleep surface will provide some level body conformance and pain/pressure relief without sagging too deeply under their weight.

FeaturesAvailable Sizes
365-night trialTwin
Lifetime warrantyTwin XL
Gel-infused memory foam, Cotton & Tencel coverFull
Medium firmness levelQueen
Back, side, and stomach sleepersKing & California King

Nectar is a wise pick for trundle beds because it offers mattress sizes that are below 8 inches high, which provide adequate support among other amazing benefits. It is designed with comfort layers of gel memory foam and standard memory foam, which provide a consistent hug throughout the sleeper’s body and can help improve spinal alignment. 

With a support core that features a high-density polyfoam layer, the mattress is reinforced to help maintain an even surface regardless of your preferred sleeping position. Unlike many of its competitors, the Nectar also sleeps fairly cool, due in part to its breathable cotton cover. 

Pros:

  • Pressure-relieving memory foam.
  • Minimal sagging.
  • Excellent motion isolation.
  • Minimal heat retention for an all-foam bed.
  • No noise when bearing weight.

Cons:

  • Weak edge support.

Best for Stomach Sleepers: Saatva

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Stomach sleepers need to keep their spine in its natural state, without curving or arching. They need more support for added comfort. Therefore, a good mattress with the right supportive structure would be a perfect choice for them. 

FeaturesAvailable Sizes
120-day trialTwin
15-year warrantyTwin XL
Organic cotton cover, micro-coilsFull
Medium-firmQueen
Stomach and back sleepersKing & California King

Saatva memory foam offers comfort in a size that can fit into a trundle bed. It features a layer of zoned micro-coils that improve its springiness to ensure that the surface of the mattress maintains uniformity at all times.

The organic cotton cover ensures that heat is not trapped within the mattress and prevents foul odors that may arise as moisture builds up. It has a plush surface with the right supportive structure to ensure that stomach sleepers enjoy maximum relaxation while they sleep.

Pros:

  • No foul odors.
  • Good air circulation.
  • Contours the body nicely.
  • Durable materials.

Cons:

  • Poor motion isolation.

Key Considerations When Choosing a Mattress for Trundle Beds

Construction and Material: The structure and quality of materials that are used in designing these mattresses determine its suitability. It is necessary that the thickness of your mattress allows it to fit perfectly in the trundle bed. The mattress thickness should not exceed 8 inches, especially if you want to keep a comforter made up on the trundle bed. Another huge consideration is when you have a pop-up trundle frame; the kind that raises up to meet the main bed at the same level. For this, you will want to make sure that the two mattresses are the same height so that they form an even surface when placed next to each other as a double bed.

Firmness: There is no particular firmness level for everyone even those with same body types. There are pros and cons to both foam and spring construction. All-foam models will last longer but costs a little more and might feel too firm for some. Spring designs tend to be softer and bouncier but will not survive the trauma of being constantly bounced on by a child. It may also not survive the heavyweight individual’s usage. Manufacturers also recommend rotating the mattress 180 degrees every 3 months or so to ensure some areas are not over-compressed.

Support: All-foam mattresses will sag slightly over time and with excessive use. Good mattresses, however, minimize this by adding a large layer of support foam or series of steel coils which will make the problem almost entirely unnoticeable.

Temperature Regulation: Memory foams which are best for trundle beds have a reputation of being warmer. This is generally due to less breathability in lesser quality foam products. In recent designs, the breathable foam and mattress covers allow adequate airflow. Should you sleep hot, a pad or lighter sheets will help increase ventilation and make sleeping a lot cooler. 

Size: This is one of the most important considerations when choosing a mattress for a trundle bed. The most common mattress size for trundle beds is a 75” x 39” twin mattress although in some rare cases you may need a 75” x 30” narrow twin.

For mattress thickness, you will need to carefully consider the amount of space between the trundle bed and the main bed. It should easily stow under the main bed and possibly allow some room for a blanket and pillow. One that is 6 inches thick is perfectly fine for the occasional guest sleepovers and kids.

Motion Isolation: Sudden movements on the bed can cause you to lose sleep which leads to tiredness and fatigue. Inadequate sleep can also dampen your mood which is why mattresses are designed to minimize the transfer of motion. This allows you to sleep undisturbed for as long as you want.

Price: How much are you willing to spend for the right trundle bed mattress? This question will narrow down your search options. With a budget, you will have limited choices and the search will, therefore, be easier and more convenient. When buying it is important to remember, that a good model is not always expensive. There are some legitimate companies out there that are selling high-quality mattresses for the best sleeping experience.

Frequently Asked Questions (FAQs)

Which type of mattress do you need for a trundle bed?

Memory foam mattresses are good for trundle beds as it cradles the body while relieving pressure in several parts of the body. Trundle beds also require a set of twin mattresses. The size of the mattress depends on the size of the trundle bed. If unsure, it is better to measure the frame before making the purchase.

Are trundle beds comfortable?

The firmness of the trundle bed mattress depends on the sleeping preference of the user. Children may require a softer mattress than a teenager or an adult. Your preference may also change as your body experiences certain changes. Mattresses with a medium level firmness should be able to provide all-round comfort.

What size of mattress fits into a trundle bed?

A trundle bed mattress is typically small. The mattress is a twin size mattress and no thicker than eight inches. Some trundle bed frames may be the full size as well. Twin XL mattresses do not fit on a standard trundle. A trundle bed, however, can be customized to achieve this.

Does a trundle fit under any bed?

Not all bed frames are designed with the trundle in mind. Those that are designed to house a trundle bed should provide enough room to accommodate the bed underneath it. There are various manufacturers that offer beds with a trundle frame attached. Be sure to conduct proper research to ensure that you do not buy the wrong bed frame.

Are there differences between daybeds and trundle beds?

Unlike daybeds that are often converted to sofas when not in use, trundle beds fit under a primary bed and may be used when you have an overnight guest. They are usually available in twin sizes and may be too thin for people with lower back pain.

Final Thought

The key to living a healthy life is enjoying your sleep with the right mattress regardless of the type of bed foundation that you use. Trundle beds are great for children’s rooms or guest rooms. And as such the mattress on one needs to be comfortable.

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