The Best Sofa Bed Mattresses of 2021

With a sofa bed, there’s no need for a spare room for accommodating your guest. Having this versatile furniture offers exceptional convenience. While this unit comes with a lot of benefits, the pull-out couch mattress is not very comfortable. They come with an innerspring coil design, which might not offer the right level of support and comfort.

But picking the right mattress will not be an easy task since you have to consider a lot of factors. However, we’ve reviewed the best sofa bed mattress on the market to suit your sleeping needs. Plus, there’s a buying guide to ensure you make the right pick.

Factors to Consider When Choosing the Right Sofa Bed Mattress

Before purchasing a sofa bed mattress, you need to consider some factors below critically:

1. Sizes

The size is an essential factor to consider when it comes to pinning down the right sofa mattress. You need to make sure that you have enough space to accommodate the pull-out crouch mattress. They are available in a lot of options, but the common ones are full and queen size.

Some sofa bed are designed to work well with Twin or King options, just ensure that you choose a model with the sofa bed requirements and space available.

2. The Number of Layers

The number of layers is an indication of the amount of support the sofa bed can deliver. These numbers also determine the level of firmness, and more layers provide you with a softer sleeping surface. On the other hand, mattress coming with small layers tend to be firmer. Not just the number of layers alone, the materials used can also determine how soft or firm a unit will be.

3. Thickness

Sofa bed mattresses are available in different thickness options. A thick mattress is often bigger since it contains more foam, which offers more comfort and exceptional support. Keep in mind that thick model comes with a price tag. Also, thin models usually don’t last longer than thick ones.

4. Certification

One of the most trusted certifications is CertiPUR-US when it comes to foam. Therefore, mattress coming with this certification assures you that the foam does not include toxic or hazardous materials. Further, the foam has been tested for content, performance, durability and emissions. Also, it makes them safe to use and durable.

5. Warranty

Some brands offer a limited warranty, while others provide a lifetime pledge to their customers. This is a validation for quality, performance, and durability, which assures you that your investment is protected. In addition, most reputable brands offer more – a trial period probably 100 free night’s trial. You can take advantage of this period to try out the unit and if you don’t find it comfortable or supportive, just return it.

Mattress Comparison Table

Reviews of the Best Sofa Bed Mattresses 2020

1 – Classic Brands 4.5-Inch Cool Gel Memory Foam Replacement Mattress


  • Thickness: 4.5 inches
  • No of layers: 2
  • Material: Gel-infused memory foam
  • Warranty: 3 years

A sofa bed with an uncomfortable mattress is similar to a conventional sofa. So, if you own a sofa bed, then you should consider using it with one of the best sofa bed mattresses such as Classic Brands 4.5-Inch Cool Gel Memory Foam Replacement Mattress. This unit offers a comfy and supportive sleeping surface, which still remaining thin and flexible enough to fold up without hassle.

This bedding fits well in your sofa beds, despite not being the same size as the regular queen-sized mattress. The mattress base is made of HD foam to offer the much-needed support to sleepers and also protect you from feeling the metal bars underneath.

Further, the top layer features a 2-inch foam to offer sleepers premium comfort often experienced with high-end mattresses.

Like most models, after unboxing there’s a slight chemical off-gassing. The chemical smell doesn’t take to long to air out. Above all, Classic Brands 4.5-Inch Cool Gel Memory Foam Replacement Mattress is breathable and will help improve your sleep quality.


  • Antimicrobial materials
  • Affordable cost
  • Very breathable
  • Provides a decent level of comfort


  • Slight off-gassing

2 – Zinus Memory Foam 5 Inch Sleeper Sofa Mattress


  • Thickness: 5 inches
  • No of layers: 2
  • Filling: Gel-infused memory foam
  • Warranty: 5-year limited

To offer your guest the optimal comfort sleep they deserve, Zinus Memory Foam 5 Inch Sleeper Sofa Mattress could be the way to go. This unit features a 4-inch high-density base foam to offer a high level of support. Also, the high-density support foam protects you from feeling the metal bars.

On top of the 4-inch HD, support foam is a 1-inch gel-infused foam layer to offer cosy comfort for a better sleep experience. Also, the gel-infused layer helps distribute heat. The whole construction is covered with a soft, removable, textured cover, allowing you to have a sweat-free night.

That’s not all: this model when unpacked gives a little chemical odour, which dissipates quickly. According to several customers, Zinus Memory Foam 5 Inch Sleeper Sofa Mattress works well with the foldout couch and won’t feel the metal bars.

Sadly, the main drawback of this model is its high firmness level, which might be quick to fold up for some users. On the bright side, it’s accompanied 5-year warranty to protect you for manufacturer’s defects.


  • Reasonable price point
  • Sweat-free night’s sleep
  • Plush sleeping surface
  • Removable and washable cover


  • Might not fit all sofas

3 – Milliard 4.5 Inch Memory Foam Replacement Mattress


  • Thickness: 4.5 inches
  • No of layers: 2
  • Filling: Memory foam
  • Warranty: Not stated

This sofa bed mattress comes in two layers – 1.5-inch soft memory foam and 3-inch form polyurethane foam base. This dual-layer design allows your guest to enjoy support sleeping and optimal comfort surface.

This unit’s top layer features memory foam allows it to conform with your curves. Also, you can use it for other purposes such as a camper, boat, and RV.

Even better, Milliard 4.5 Inch Memory Foam Replacement Mattress is covered with jacquard fabric, which makes the model comfortable and supportive. This unit helps dissipate body heat and ensure your guest sleep deeply and soundly.

Besides, the foam used meets all CertiPUR-US standards for performance durability and content.


  • Comfortable and supportive
  • CertiPUR-US Certified
  • Ideal for use with RV, camper, sofa beds, and boats


  • Not infused with cooling gel

4 – DynastyMattress 4.5-inch Gel Memory Foam Sofa Mattress


  • Thickness: 4.5 inch
  • No of layers: 2
  • Filling: Gel-infused memory foam
  • Size: 72 x 58 x 4.5’’
  • Warranty: 5-year limited

This unit is an ideal choice for bunk beds, boats, and RVs. The bottom layer features a 2.5-inch high-density foam to offer the ideal support and a 2-inch top HD plush gel memory foam layer to offer more support to your spine and comfortable sleeping surface.

Also, it’s durable construction ensures this unit last for several years and withstands several abuses. Further, it comes with CertiPUR-US certification, which ensures the unit does not contain any harmful chemicals. Plus, there’s a 5-year warranty and offer peace of mind.


  • CertiPUR-US certification
  • 5-year warranty
  • Very firm
  • Relieves back pain


  • The unpleasant smell after unboxing


In the end, it comes down to personal preference and needs. However, ensure you check our buying guide to make sure you pick the right choice.