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What Is a Trundle Bed?

By: Christina Davies
Updated on: April 05, 2024

‍In today’s world, where space is at a premium, finding innovative solutions to maximize living areas has become a necessity. One such solution that has gained popularity is the trundle bed. A trundle bed is a cleverly designed piece of furniture that provides extra sleeping space without taking up additional floor space. In this article, we will dive into the concept of what is a trundle bed, its benefits and drawbacks, different types of trundle beds and bed frames, suitable mattress options, and alternative space-saving bed solutions.

What is a Trundle Bed?

A trundle bed is a space-saving bed frame that consists of a main bed and a secondary bed tucked underneath the extra bed. The secondary bed, also known as the trundle, is typically on casters or wheels, allowing it to easily roll out from under the main bed when needed. This ingenious design makes trundle beds an ideal choice for small spaces, such as children’s rooms, guest rooms, or studio apartments, where maximizing floor space is crucial.

Benefits of Trundle Beds

Trundle beds offer many advantages over traditional beds that make them a popular choice for those seeking efficient use of space. Here are some key benefits:

  • Space Optimization: Trundle beds are specifically designed to provide an extra sleeping surface without occupying additional floor space. The secondary bed can be conveniently stored beneath the main bed during the day, allowing for more room to move around.
  • Flexibility: Trundle beds offer great flexibility as they can be easily pulled out whenever an extra sleeping space is required. This makes them perfect for accommodating guests during sleepovers or family visits.
  • Storage Options: Some trundle beds come with built-in storage drawers or shelves, providing additional storage space for bedding, toys, or other miscellaneous items. This added functionality helps to further optimize space and keep the room organized.
  • Cost-Effective: Trundle beds are a cost-effective solution compared to purchasing separate beds or investing in larger bed frames. They provide an extra sleeping surface without the need for additional furniture, making them a budget-friendly option.
  • Comfort: Despite their compact design, trundle beds can still offer a comfortable sleeping experience. With the right mattress choice, the secondary bed can provide adequate support and comfort for a restful night’s sleep.

Drawbacks of Trundle Beds

While trundle beds offer many advantages, it is important to consider their limitations before making a purchase decision. Here are some drawbacks to trundle mattresses to keep in mind:

  • Weight Limit: Trundle beds typically have weight limitations, with most models supporting around 250 pounds. This means that heavier individuals may not be suitable candidates for sleeping on the trundle bed.
  • Thin Mattress Requirement: Due to the limited space beneath the main bed, trundle beds require thinner mattresses, usually around 6 to 8 inches thick. This thinner profile may not provide sufficient support for individuals with specific comfort or orthopedic needs.
  • Accessibility: The secondary bed in a trundle bed is often lower to the ground than a regular bed. This can pose accessibility challenges for individuals with limited mobility or back problems, as getting in and out of bed may be more difficult.
  • Lack of Storage Space: While trundle beds offer storage options in the form of drawers or shelves, the space beneath the main bed is primarily dedicated to accommodating the secondary bed. This means that the under-bed space cannot be utilized for general storage purposes.

Types of Trundle Bed Frames

Trundle beds come in various designs to suit different needs and preferences. Let’s explore some of the most common types of trundle sofa beds and frames available in the market:

Roll-Out Trundle Beds

Roll-out trundle beds are the most popular and widely used type of trundle bed. The secondary bed is mounted on casters or wheels, allowing it to easily roll out from under the main bed. Roll-out trundle beds are typically lower to the ground and do not pop up to the same level as the main trundle bed setup.

Pop-Up Trundle Beds

Pop-up trundle beds offer a unique feature that allows the secondary bed to pop up to the same level as the main bed. This kind of trundle bed is often made with a metal frame and can be raised to the same height as the main bed. When the beds are at the same level, they may appear as trundle mattresses or single large beds, creating a seamless sleeping surface.

Trundle Daybeds

Trundle daybeds combine the functionality of a daybed and a trundle bed. These beds have three sides and are typically set up against a wall, resembling a sofa or chaise lounge during the day. The trundle bed is under the main bed and can be pulled out when required, giving you an extra place to sleep. Trundle daybeds are a versatile option that can be used in living rooms or shared spaces outside of bedrooms.

Trundle Bunk Beds

Trundle bunk beds are an excellent choice for maximizing sleeping space in children’s rooms. These beds feature a standard bunk bed design with an additional trundle bed located beneath the air mattress of the lower bunk. Trundle bunk beds are available in both roll-out and pop-up configurations, providing flexibility and convenience for sleepovers and family visits.

Trundle Captain Beds

Trundle captain beds are designed to resemble traditional captain beds, which typically feature a twin-sized bed with additional storage space underneath. In the case of a trundle captain bed, the lower bed is disguised as drawers, providing both sleeping and storage solutions in one compact package.

Selecting the Right Mattress for a Trundle Bed

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Selecting the appropriate mattress for a trundle bed is essential to ensure comfort and support. Here are some factors to consider when choosing a mattress for most trundle beds:

  • Thickness: Trundle beds require thinner mattresses to fit within the limited space beneath the main bed. Aim for a mattress thickness of around 6 to 8 inches to ensure it can easily slide in and out of the trundle.
  • Support and Comfort: While thinner, the mattress should still provide adequate support and comfort for restful sleep. Consider options like memory foam, latex, or hybrid mattresses that offer a balance of support and cushioning.
  • Size: Trundle beds come in different sizes, so make sure to choose a mattress that matches the dimensions of the trundle bed frame. Twin-sized mattresses are the most common choice for trundle beds, but other sizes, such as full, queen, or king, may be available depending on the specific trundle bed model.
  • Durability and Longevity: Look for a mattress with good durability and longevity to ensure it withstands regular use. Consider factors such as the material’s quality, warranty coverage, and customer reviews when evaluating mattress options.

Alternative Space-Saving Bed Solutions

While trundle beds offer an efficient solution for small spaces, there are other space-saving bed options worth considering. Here are a few alternatives:

  • Sleeper Sofas: Sleeper sofas, also known as sofa beds, combine the functionality of a sofa and a bed. They feature a pull-out mattress concealed within the sofa frame, providing a comfortable sleeping surface when needed. Sleeper sofas are a versatile choice for living rooms or multi-purpose spaces.
  • Murphy Bed: Murphy beds, also called wall beds, are beds that you can fold up and store vertically on a wall or inside a cabinet. This allows the bed to be hidden away during the day, freeing up valuable floor space. Murphy beds are a favored option for studio apartments or spaces that require versatile functionality.
  • Futons: Futons are a traditional Japanese bedding option that has gained popularity worldwide. They comprise a mattress that can be folded or rolled up and kept away when not needed. Futons are versatile and can be used as both a sofa and a bed, making them a practical choice for small spaces.
  • Loft Beds: Loft beds are elevated beds that provide additional space underneath for various purposes. The area beneath the bed can be used for a desk, storage, or even another bed. Loft beds are particularly popular in children’s rooms and dormitories.

FAQs About What is a Trundle bed

What is the weight limit of a trundle bed?

Trundle bed weight limits vary by design and manufacturer but typically range from 200 to 400 pounds.

Can adults use trundle beds comfortably?

Yes, adults can comfortably use trundle beds, especially those designed with sturdy frames and quality mattresses.

Are trundle beds easy to assemble?

Yes, most trundle beds come with easy-to-follow assembly instructions and can be set up without professional help.

Can I use any type of mattress with a trundle?

While many trundle beds accommodate various mattress types, it’s essential to check the manufacturer’s recommendations for the best fit.

Do trundle beds come with storage options?

Yes, some trundle beds feature built-in drawers or storage compartments, adding to their functionality and space-saving capabilities.


Trundle beds offer a space-saving solution for those seeking an extra sleeping surface without sacrificing valuable floor space. With their clever design and versatility, trundle beds provide a comfortable and flexible option for sleepovers, guest rooms, or small living spaces. By understanding the benefits, drawbacks, different types of trundle bed frames, and suitable mattress options, you can make an informed decision about whether a trundle bed is the right choice for your needs. Alternatively, low to the ground above, exploring alternative space-saving bed solutions might offer additional options to optimize your living area. Embrace the possibilities of trundle beds and other innovative bed designs to create the perfect sleeping solution for your small space.


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