Mattresses For Trundle Beds

Find mattresses for trundle beds in sizes and styles suited to your space, whether you’re furnishing a guest room, children’s room or multi-purpose area. Explore options at Mattress Firm to help make the most of your sleep space and find the right fit for your home.

Sleepy's Basic Innerspring Firm Mattress

8758

Starting at

$249⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Allergies
Toss and Turn

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2809

Starting at

$509⁹⁹

$919⁹⁹

$410 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

604

Starting at

$474⁹⁹

$849⁹⁹

$375 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn
Allergies

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5604

Starting at

$449⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Sleepy's 6" Traditional Tri-Fold Sleeper

Starting at

$139⁹⁹

Medium Comfort,

Sealy Essentials Spruce 5.5" Firm Mattress

1373

Starting at

$399⁹⁹

$649⁹⁹

$250 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Sealy Essentials Autumn Ash 10.5" Plush Mattress

Starting at

$568⁹⁹

$1049⁹⁹

$481 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner
Toss and Turn
Allergies

Sleepy's Signature Ironline Mix Material Daybed with Trundle

Starting at

$295⁹⁹

$369⁹⁹

$74 OFF

Homelegance Keagan Daybed

Starting at

$387¹²

$455⁴³

$68 OFF

Kodiak Boho Daybed W/ Trundle

Starting at

$799⁹⁹

Mattresses for trundle beds are designed to give a pull-out sleeping space a comfortable, practical surface without interfering with the bed above or the frame’s movement. A trundle mattress is usually a low-profile mattress, most often about five to six inches thick, although the right height depends on the trundle frame and the clearance available beneath the main bed. Standard twin is the most common size for trundle beds, but dimensions can vary, so measure the interior length and width of the frame before choosing a mattress. It is also important to measure from the base of the trundle platform to the lowest point of the bed above, allowing enough space for the mattress to slide in and out smoothly. A mattress that is too tall may catch on the upper frame, prevent the trundle from closing fully or make the sleeping surface sit higher than intended. Look for the exact dimensions rather than relying on the size name alone, and check whether the frame is designed for a particular mattress thickness. For a closer look at beds with built-in guest sleeping space, explore Trundle Guest Beds.

The best mattress for a trundle bed depends on how the space will be used, who will sleep there and how often the mattress will be pulled out. Foam mattresses are a popular choice because they are often lightweight and easy to move, especially when one person needs to slide the trundle from beneath the bed. A supportive foam core can provide a steady, cushioned feel, while memory foam may offer more contouring for guests who prefer pressure relief around the shoulders and hips. Some foam designs include cooling features that can help promote a more comfortable sleep environment, which may be useful when a guest room becomes warm or when the trundle is used by children who tend to sleep hot. Thin innerspring mattresses can offer a more traditional, buoyant feel and may allow more airflow through the sleep surface. Whichever material you choose, focus on support as well as softness. A mattress that feels plush for a few minutes may not provide enough stability through the night, while an overly firm surface can leave a side sleeper feeling pressure at the shoulders and hips. For children, visiting family members and occasional guests, a medium feel is often a versatile starting point, but personal comfort remains important. A trundle mattress can be especially useful in a child’s bedroom, a shared room or a compact guest space where every square foot matters. It creates a tucked-away bed for sleepovers without requiring a permanent second bed, and it can make a small apartment, home office or finished room more flexible when overnight guests arrive during the cooler months.

Before purchasing, consider the trundle’s base, the mattress cover and the practical details of daily use. A solid platform and a properly supported frame can help the mattress feel more stable, while slatted bases may require specific spacing recommendations to prevent uneven support. If the trundle is opened frequently, weight matters. A lighter low-profile mattress is easier to pull forward, lift for cleaning and return beneath the bed after the room is tidied. A washable or removable cover can be valuable in a child’s room or any sleeping space used by several guests, particularly when snacks, craft projects and late-night reading are part of the routine. Give the mattress room to breathe after unboxing if the care instructions recommend it, and follow the manufacturer’s guidance for rotation, cleaning and use on a trundle frame. Keep bedding appropriately fitted to the mattress height so sheets do not bunch beneath the sleeper or drag on the floor when the trundle moves. It is also worth checking the clearance at the foot and sides of the bed, since a nearby rug, storage basket or nightstand can make the trundle difficult to operate even when the mattress itself fits. For a thoughtful guest-room setup or a practical gift for a family preparing for sleepovers, a trundle mattress adds comfort without taking up permanent floor space. With the right dimensions, supportive construction and manageable weight, it can turn the quiet space beneath a daybed or bunk into a welcoming place to rest, from the first overnight visit through years of everyday use.

What is a mattress for a trundle bed? + -

A mattress for a trundle bed is designed to fit in the pull-out bed frame beneath another bed. These mattresses are typically made with a streamlined profile to work with the trundle’s available space while providing a comfortable sleep surface.

What types of mattresses are available for trundle beds? + -

Common options include memory foam, innerspring and hybrid mattresses. Memory foam can offer a contouring feel, innerspring mattresses provide a more traditional responsive feel and hybrid designs combine foam comfort layers with a coil support system.

How do I choose the right feel for a trundle bed mattress? + -

Consider the sleeper’s preferred feel and sleeping position. Side sleepers often enjoy cushioning around the shoulders and hips, while back and stomach sleepers may prefer a more supportive, responsive surface.

Can a foam mattress be used on a trundle bed? + -

Foam mattresses are a popular choice for trundle beds because they offer flexible comfort and a streamlined design. Before choosing one, confirm that the mattress is compatible with the trundle frame and its support system.

How should I care for a trundle bed mattress? + -

Use a breathable mattress protector, keep bedding clean and follow the care instructions provided with the mattress. Periodically inspect the frame and support surface, and allow the mattress to air out when changing bedding.