Sofa beds not only add an aesthetic value to our home but also offer great practicality — they can be used for seating, sleeping, and storing things. A comfy sofa bed blends in nicely into a living room and allows your guests to get a good night's sleep. But here's the deal: the real essence of a sofa bed is the mattress. Our studies indicate that it's essential to invest in the best sofa bed mattress, as a good quality mattress provides proper support to the spine, legs, back, and neck, making sure you don't feel any pain after waking up.

To get uninterrupted sleep, you would need a mattress that is built with soft material, is durable, and fits comfortably on your sofa. With all that in mind, finding a mattress for your sofa bed might seem like a daunting task. That's where our guide to the best sofa bed mattresses steps up to make things super cozy for your guests and you. We know a good night’s sleep is crucial. Our experts have done the homework, diving deep into the mattress world to find you the coziest, longest-lasting options out there. 

Whether you're decking out a guest room, jazzing up your studio apartment, or just trying to make the most of your space, we've got you covered. We’ve looked at everything from quality to comfort and provided the pros and cons for you. Explore our best choices below and discover the perfect upgrade for your sofa bed.

• 1
  Best Overall

  Milliard 4.5-inch Memory Foam Sofa Bed Replacement Mattress

  BUY ON AMAZON

Upgrade your pull-out sofa bed with the Milliard 4.5-inch Memory Foam Sofa Bed Replacement Mattress. It's designed with two layers: a 3-inch firm polyurethane foam base and a 1.5-inch soft memory foam top that molds to your body, providing a comfy sleep. It also includes a soft and breathable jacquard waterproof cover for a cozy sleep. The mattress is full-sized, measuring 73" x52" x4.5", and fits most major convertible sofa brands as well as camping RVs. Plus, the premium memory foam meets CertiPUR-US requirements, ensuring top-notch sleep quality. Thus, you can sleep soundly and comfortably with this fantastic upgrade. 

Material:  Polyurethane Memory Foam

Firmness: Plush, Medium

2

Best Cooling Effect

DynastyMattress 4-inch Gel Memory Foam Sofa Mattress

BUY ON AMAZON

This sofa mattress by DynastyMattresss stands out because of its unique cooling feature. This memory foam, infused with cooling gel, holds the CertiPUR-US certification, ensuring top-notch quality. It molds flawlessly to your body, promoting a healthy and peaceful sleep. It has 2 inches of high-quality gel foam on top and a strong 2-inch base foam at the bottom, making it fit well in sofa beds. Also, it's naturally resistant to allergens, mold, bacteria, and dust mites. When we tested the product, we liked how it comes with a cover that's machine washable and features an easily removable zipper. The best part is that it comes with a 5-year warranty. 

Material:  Polyurethane Gel Foam

Shipping Method: Free Shipping in the US 

Firmness: Medium Firm

3

Most Affordable

Cool Gel Memory Foam 4.5-Inch Mattress

BUY ON AMAZON

678&language=en_US&ref_=as_li_ss_tl 

This is a gel-infused memory foam mattress that keeps your body temperature just right. This 4.5-inch mattress by Cool Gel (previously sold under Classic Brands) offers proper support to your neck and back and comes with a 3-year warranty. Plus, it's made with a special porous design that lets air flow better. It's also super soft and meets all the high standards for performance and durability. When we tried it out, we found it fits perfectly in most sofa beds, and even after using it a lot, it stays in its best shape. 

Material:  Polyurethane Gel Foam

Shipping Method: Free Shipping in the US 

Firmness: Plush

4

Best Anti-allergic Material

Leggett & Platt AirDream Mattress

BUY ON AMAZON

Leggett & Platt is a popular name in the bedding industry. This ivory air mattress from the brand uses patented air-over-coil technology, making it super comfy. It comes with an easy-to-use handheld electric pump. Unlike traditional sofa mattresses, this one provides a soft surface without lumps and bumps. Plus, it's a Queen size, measuring 72"x 60" x 11". And here's the best part: it's hypoallergenic, meaning it’s great for people prone to allergies, and comes with a 3-year warranty. Our product experts like how this versatile mattress caters to everyone's needs.

Material:  Coil

Firmness: Plush

5

Best for Relieving Body Pain

Dyonery 4.5 Inch Memory Foam Sofa Bed Mattress

BUY ON AMAZON

The Dyonery Memory Foam Sofa Bed Mattress is incredibly comfortable and versatile. It's perfect for sofa beds and platform bed frames and even fits well in trailers and boats. It's crafted with soft green tea gel memory foam that takes away all the pressure from your body. It's safe too, with no fiberglass cover inside, and has a cool and breathable graphene jacquard outer cover. Plus, the mattress material is OEKO-TEX certified, ensuring its quality. When we tested the product, we liked how the removable and washable zipper cover makes cleaning easy and wrinkle-resistant. 

Material:  Polyurethane Foam

Firmness: Medium

6

Best Multipurpose Mattress

Nigoone Folding Sofa Couch

BUY ON AMAZON

This sofa bed couch by Nigoone with a dense sponge is super supportive. It has a multifunctional design and comes with 2 pillows for comfortable sitting, leaning, and sleeping. It can be effortlessly transformed into a couch, chaise lounge, footrest, or guest mattress catering to all your needs. Plus, it comes with a washable zipper cover made of breathable fabric. We liked the wide velcro straps that firmly secure the backrest to the seat cushion, enhancing the sofa's stability and safety during use. What's great is that it's easy to use, and you don't need to assemble it. The brand offers a 10-year warranty, so you don’t really have to worry about the product for a long time. 

Material:  Memory Foam

Firmness: Rigid 

7

Most Durable

Lazyzizi Sleep 4 Inch Foldable Mattress

BUY ON AMAZON

The Lazyzizi Sleep 4 Inch Foldable Mattress is a hit, praised for its comfort and flexibility. This unique mattress, with an additional headrest, ensures cozy sleep and relaxation. It's versatile, folding into various shapes and filled with supportive high-density foam. The soft, skin-friendly cover is easy to clean, and the non-slip bottom prevents you from moving around. It's user-friendly, with easy pull and close mechanisms, ensuring safety and convenience. It comes with sturdy handles, which makes it portable. Also, the hook and loop fasteners secure different shapes without a hassle. 

Material:  Memory Foam

Firmness: Rigid

8

Best Odor-free Mattress

Heyward Sofa Bed Mattress

BUY ON AMAZON

The Heyward Sofa Mattress is made with top-quality materials, ensuring your guests are incredibly comfortable.  Its dual-layer foam construction supports your complete body and eases joint, neck, and back pain. The incredibly soft knit mattress cover keeps you warm while assisting with moisture and temperature regulation. Cleaning this sofa bed mattress is effortless – simply unzip it and toss it in your washer. Likewise, installing the mattress is a breeze too; it fits standard sofa beds, daybeds, pull-out couches, or trundle beds, providing a soft sleep space. It's ideal for dorms, cabins, AirBnBs, and more.

Material:  Memory Foam

Firmness: Medium

Selecting the perfect sofa bed mattress is crucial, and here are five essential tips to help you make the best choice.

1. Comfort Comes First: Understanding the differences between plush, firm, and medium mattresses is crucial when it comes to comfort. Plush ones are super soft, medium ones balance support and softness, and firm mattresses are rigid. People usually want a mattress that's sturdy yet soft. Thus, they go for memory foam and gel options that offer excellent support and coziness while conforming to your body shape. According to a study published in the Journal of Orthopaedics and Traumatology, a medium-firm mattress can help improve sleep quality and relieve back pain. The study also concluded that foam mattresses work excellently for back pain. 

2. Check the Material: Opt for high-quality materials that endure folding and unfolding without losing shape. Thicker mattresses are commonly preferred, but slim ones can be comfy, too. Ultimately, the mattress should support your body and feel good. You can also look for additional features like mattresses with breathable fabric and fire barrier lining. 

3. Size It Right: Measure your sofa bed precisely. Choose a mattress that fits perfectly. Too big or too small can be uncomfortable and mess up the sofa's function.

4. Look for Quality Certifications: When purchasing online, verifying quality can be challenging. In such instances, search for reputable certifications like CertiPUR-US, guaranteeing safe standards for polyurethane foams, ensuring they're made with non-toxic materials. Additionally, consider Oeko-Tex certificates, which confirm human-ecological safety, providing added assurance.

5. Consider Your Budget: While budget is essential, prioritize the features above. Don't compromise comfort and quality for a low price. Shortlist options that meet all criteria, then choose the most affordable one or explore extra features if your budget allows.

When turning the sofa into a bed, find the mattress beneath the cushions. Gently pull out the mattress and unfold it following the sofa's design. Nowadays, most modern sofa beds have easy-to-use mechanisms for effortless transformation. You can also buy separate mattresses and attach them to your sofas. 

Use Mattress Toppers: A mattress topper is a removable padding layer that enhances height, cushioning, and support. A sofa bed mattress topper often comes in foam type and suits various sleeping styles. Here’s how to use it.

• Take it out of the packaging and lay it flat.
• Let it expand for a few hours to a day.
• Place the topper on your mattress.
• Ensure all corners and edges align with the mattress.
• Use a fitted sheet, mattress protector, or topper cover to secure it.

Cleaning Instructions: Cover your sofa bed mattress with zipper covers and follow the manufacturer's instructions to clean them. Check if it can be washed in a machine, vacuumed, or requires dry cleaning, and clean it accordingly.

Regular Maintenance Tips: Keep clean sheets, blankets, and pillows handy. When not in use, fold the mattress carefully for durability. Also, clean them regularly to prevent allergen buildups, ensuring a pleasant sleeping experience.

These practices ensure your sofa bed stays comfortable and hygienic for years.

Sleeper sofa mattresses come in various sizes to cater to different needs.

• Twin-sized mattresses are perfect for one person, offering a comfortable space without occupying excessive room.
• Full-sized mattresses provide a bit more room, accommodating a cozy sleep for two people.
• For larger sofa beds or those used by couples, queen-sized sleeper sofa mattresses are the ideal choice, offering ample space for a comfortable night's rest.

It's essential to measure the dimensions of your sofa bed accurately to select the appropriate mattress size. A well-fitted mattress not only enhances comfort but also ensures the sofa bed functions seamlessly, providing a relaxing sleeping experience.

Picking the best sofa bed mattress is crucial for a comfortable and adaptable living space. It not only serves guests well but also provides a cozy retreat for yourself. Moreover, these mattresses can be conveniently taken to places like Airbnbs and camping trailers. To guarantee a pleasant sleep, focus on comfort, quality materials, and the right size. Opt for mattresses with user-friendly mechanisms and consider extras like breathable mattress toppers for added comfort. Regular maintenance is key to ensuring the mattress lasts longer. By adhering to these guidelines, transforming your sofa into a comfy bed becomes effortless, promising restful nights and relaxed lounging throughout the day.