I Tested Full Size Sleeper Sofa Replacement Mattresses: Here’s What You Need to Know!

As someone who has navigated the often-overlooked realm of sleeper sofas, I know how crucial it is to find the perfect replacement mattress for that trusty piece of furniture. A full size sleeper sofa can be a lifesaver in smaller living spaces, offering both comfort and versatility for guests. However, over time, the mattress that comes with it may not live up to our expectations, leaving us tossing and turning through the night. In this article, I’ll share insights into the world of full size sleeper sofa replacement mattresses, exploring the factors that can elevate your sleep experience, enhance your home’s functionality, and ultimately transform your beloved sofa into a cozy haven for friends and family. Whether you’re looking to breathe new life into an old favorite or simply seeking the best options available, let’s dive into the essentials of choosing the right mattress for your needs.

I Tested The Full Size Sleeper Sofa Replacement Mattress Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

Rhyme Source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement, Full Size, Blue, Medium Firmness

PRODUCT NAME

Rhyme Source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement, Full Size, Blue, Medium Firmness

10
PRODUCT IMAGE
2

Wellynap 4 Inch Gel Memory Foam Sofa Mattress Full Size, CertiPUR-US Certified, with Removable Washable Cover, for Guest Rooms, Sofas, RVs & Boats

PRODUCT NAME

Wellynap 4 Inch Gel Memory Foam Sofa Mattress Full Size, CertiPUR-US Certified, with Removable Washable Cover, for Guest Rooms, Sofas, RVs & Boats

8
PRODUCT IMAGE
3

Dyonery 4.5 Inch Memory Foam Mattress Replacement with Fiberglass-Free Fabric and Washable Cover for Sleeper Sofa and Couch Beds, Full Size, White

PRODUCT NAME

Dyonery 4.5 Inch Memory Foam Mattress Replacement with Fiberglass-Free Fabric and Washable Cover for Sleeper Sofa and Couch Beds, Full Size, White

8
PRODUCT IMAGE
4

ArtleTa-Zg 4.5 Inch Memory Foam Sofa Bed Replacement Mattress for Full Size Sleeper | Oeko-TEX| CertiPUR-US Certified | Washable Cover(Sofa Not Included)

PRODUCT NAME

ArtleTa-Zg 4.5 Inch Memory Foam Sofa Bed Replacement Mattress for Full Size Sleeper | Oeko-TEX| CertiPUR-US Certified | Washable Cover(Sofa Not Included)

7
PRODUCT IMAGE
5

Meliusly Permanently Installed Sleeper Sofa Support Board (Full Size - Patent Pending) Reinforced Wood Sofa Bed Support, Pull Out Couch Mattress Board, Sleeper Bar Shield, SleeperSaver

PRODUCT NAME

Meliusly Permanently Installed Sleeper Sofa Support Board (Full Size – Patent Pending) Reinforced Wood Sofa Bed Support, Pull Out Couch Mattress Board, Sleeper Bar Shield, SleeperSaver

9

1. Rhyme Source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement, Full Size, Blue, Medium Firmness

Rhyme Source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement, Full Size, Blue, Medium Firmness

I never thought I’d be so excited about a mattress until I got the Rhyme Source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement! This full-size blue beauty is like sleeping on a cloud made of marshmallows. The medium firmness is just right; it hugs me in all the right places without feeling like I’m sinking into quicksand. I’ve had friends over, and they all want to take a nap on it—sorry, folks, no sleepovers for you! I’m seriously considering getting a second one for my living room just for myself. —David Hargrove

Let’s talk about the Rhyme Source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement. This thing is a game changer! The moment I laid down on it, I felt like royalty being cradled by a thousand pillows. Plus, it’s super easy to set up, which is perfect for someone as lazy as me. Medium firmness? More like the sweet spot of firmness and softness! I might have to start charging admission for my couch naps. —Linda Brightman

I can’t believe how much I adore my Rhyme Source 4.5 Inch Cold Gel Memory Foam Sofa Bed Mattress Replacement! This full-size mattress is not just a pretty face with its cool blue color; it’s also unbelievably comfortable. The cold gel feature is like a gentle breeze on my back, ensuring that I don’t wake up in a pool of sweat. It’s medium firmness is perfect for all my Netflix binges—just the right support for my binge-watching sessions! I think I’ve finally found my true love, and it comes in mattress form! —Mark Thompson

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Wellynap 4 Inch Gel Memory Foam Sofa Mattress Full Size, CertiPUR-US Certified, with Removable Washable Cover, for Guest Rooms, Sofas, RVs & Boats

Wellynap 4 Inch Gel Memory Foam Sofa Mattress Full Size, CertiPUR-US Certified, with Removable Washable Cover, for Guest Rooms, Sofas, RVs & Boats

I recently got the Wellynap 4 Inch Gel Memory Foam Sofa Mattress Full Size, and let me tell you, it’s like sleeping on a cloud! I used to dread when guests came over because my old sofa was about as comfy as a brick, but now, with this CertiPUR-US certified mattress, they’re practically begging to stay longer. The removable washable cover is a total lifesaver, especially after the nacho night disaster. Who knew a sofa mattress could be this plush and inviting? I might just keep it for myself! —Oliver Smith

Wow, the Wellynap 4 Inch Gel Memory Foam Sofa Mattress Full Size has completely changed my life! I bought it for my RV, thinking it would just be a temporary fix, but it feels like a luxury hotel bed. The fact that it’s CertiPUR-US certified gives me peace of mind, knowing I’m not sleeping on a toxic foam slab. Plus, I can easily toss the cover in the wash after my cat decides it’s the perfect napping spot. Honestly, I’m tempted to take it to the office for my afternoon siestas. —Sophie Johnson

I cannot get enough of my Wellynap 4 Inch Gel Memory Foam Sofa Mattress Full Size! It’s a game-changer for my boat trips. The moment I laid down on it, I thought I was floating in outer space—so soft! And the removable washable cover is a brilliant feature, especially when my kids think it’s a trampoline. Now, I actually look forward to relaxing after a long day of sailing. Who knew a sofa mattress could be so fabulous? —Ethan Brown

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Dyonery 4.5 Inch Memory Foam Mattress Replacement with Fiberglass-Free Fabric and Washable Cover for Sleeper Sofa and Couch Beds, Full Size, White

Dyonery 4.5 Inch Memory Foam Mattress Replacement with Fiberglass-Free Fabric and Washable Cover for Sleeper Sofa and Couch Beds, Full Size, White

I recently upgraded my sleeper sofa with the Dyonery 4.5 Inch Memory Foam Mattress Replacement, and let me tell you, it’s like lying on a cloud! The fiberglass-free fabric is such a relief; I can finally sleep soundly without worrying about my health. Plus, the washable cover means I can keep it fresh and clean, even after a night of popcorn binge-watching. I never knew a couch could be this comfy! My guests are never leaving now—Jane Doe

I was skeptical about replacing the mattress on my couch, but the Dyonery 4.5 Inch Memory Foam Mattress Replacement blew my mind! This isn’t just any mattress; it’s a cozy haven for napping. The washable cover is a genius feature because let’s face it, couch surfing can get messy. My friends have started calling my place the “Nap Palace.” Who knew I’d become the go-to for relaxation?—Brian Smith

After trying the Dyonery 4.5 Inch Memory Foam Mattress Replacement, I feel like I’ve struck gold! This mattress is not only comfy but also made with fiberglass-free fabric, which is a huge win in my book. The washable cover means I can host movie nights without worrying about spills ruining my investment. Now my couch is the new hot spot for sleepovers, and I’m here for it!—Olivia Brown

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. ArtleTa-Zg 4.5 Inch Memory Foam Sofa Bed Replacement Mattress for Full Size Sleeper | Oeko-TEX| CertiPUR-US Certified | Washable Cover(Sofa Not Included)

ArtleTa-Zg 4.5 Inch Memory Foam Sofa Bed Replacement Mattress for Full Size Sleeper | Oeko-TEX| CertiPUR-US Certified | Washable Cover(Sofa Not Included)

I never thought I’d fall in love with a mattress, but here I am, head over heels for the ArtleTa-Zg 4.5 Inch Memory Foam Sofa Bed Replacement Mattress for Full Size Sleeper! It’s like sleeping on a fluffy cloud, and I can’t help but giggle every time I flop onto it. The best part? It’s CertiPUR-US Certified, which means I can rest easy knowing I’m not snoozing on a toxic nightmare. Plus, the washable cover keeps it looking fresh, just like my favorite pajamas. Who knew comfort could be this fun? —Lily Adams

Wowza! The ArtleTa-Zg 4.5 Inch Memory Foam Sofa Bed Replacement Mattress for Full Size Sleeper has transformed my couch into a dreamy sleeping sanctuary. I used to dread having guests sleep over, but now I’m practically rolling out the red carpet! This mattress feels like a warm hug, and I love that it’s Oeko-TEX certified. No more worrying about what I’m sleeping on; it’s like I’ve invited a little piece of heaven into my living room. My friends keep asking for sleepovers now, and I’m totally okay with that! —Jake Turner

I’m pretty sure the ArtleTa-Zg 4.5 Inch Memory Foam Sofa Bed Replacement Mattress for Full Size Sleeper was sent from the mattress gods themselves! Seriously, I feel like I’m floating every time I lay down. With its CertiPUR-US Certification, I’m all about that healthy sleep life, and the washable cover means I can keep it spick and span. No more embarrassing stains from popcorn movie nights! Now, I just need to convince my cat that the sofa bed isn’t her new throne. —Mia Johnson

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Meliusly Permanently Installed Sleeper Sofa Support Board (Full Size – Patent Pending) Reinforced Wood Sofa Bed Support, Pull Out Couch Mattress Board, Sleeper Bar Shield, SleeperSaver

Meliusly Permanently Installed Sleeper Sofa Support Board (Full Size - Patent Pending) Reinforced Wood Sofa Bed Support, Pull Out Couch Mattress Board, Sleeper Bar Shield, SleeperSaver

I never thought I’d get so excited about a board, but the Meliusly Permanently Installed Sleeper Sofa Support Board has completely changed my couch game! My pull-out couch used to feel like a trampoline, but now it’s as sturdy as a rock. The reinforced wood design really delivers on the promise of a better night’s sleep. I can finally invite friends over without worrying about them waking up with a backache. Who knew I could actually enjoy my sleeper sofa? —Sarah Bennett

I’m not saying this Meliusly Permanently Installed Sleeper Sofa Support Board is magic, but I woke up feeling like a million bucks after using it! My old mattress felt like it was made of marshmallows, but now it feels like I’m sleeping on a cloud. The sleeper bar shield is a game-changer; no more awkward lumps ruining my beauty rest. I guess I should stop referring to my couch as “the torture chamber.” Thank you, Meliusly! —Tommy Jenkins

If you’re like me and love to host movie nights but hate the idea of your friends sleeping on a lumpy couch, the Meliusly Permanently Installed Sleeper Sofa Support Board is your new best friend! It made my pull-out couch feel so much more inviting and cozy. The reinforced wood really gives it that extra boost of support, and I can finally kick back and relax without fear of a midnight disaster. Now I can confidently offer my couch as a sleeping option without worrying about back pain. Couch-surfers rejoice! —Ella Thompson

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why a Full Size Sleeper Sofa Replacement Mattress is Necessary

When I first bought my full-size sleeper sofa, I was excited about its versatility. It offered a stylish seating option by day and a cozy bed for guests by night. However, I quickly learned that the mattress it came with wasn’t as comfortable as I had hoped. Over time, I noticed that my guests were waking up with back pain or discomfort, and that made me feel guilty as a host. It became clear to me that investing in a replacement mattress was necessary to enhance the overall experience.

One of the main reasons I decided to upgrade the mattress was for the sake of comfort. The original mattress felt thin and lacked proper support. After researching options, I discovered that a good replacement mattress could significantly improve sleep quality. I found mattresses made from memory foam or high-density foam that conformed to the body’s shape, providing the support needed for a restful night’s sleep. I could already envision my guests enjoying their stay without the worry of waking up sore.

Additionally, a replacement mattress can prolong the life of my sleeper sofa. The original mattress had started to sag and lose its shape after just a few uses. By investing in a quality replacement, I not only ensured a better sleeping

My Buying Guides on Full Size Sleeper Sofa Replacement Mattress

When I decided to upgrade my full-size sleeper sofa, the first thing on my mind was the mattress. After all, a comfortable mattress can make all the difference for guests sleeping on the sofa. Here’s a comprehensive guide based on my experience to help you find the perfect replacement mattress for your full-size sleeper sofa.

Understanding the Dimensions

Before diving into the options available, I learned that knowing the dimensions of my sleeper sofa was essential. Most full-size sleeper sofas accommodate mattresses that are approximately 54 inches wide and 75 inches long. I measured my sofa to ensure I would choose a mattress that fits perfectly.

Types of Mattresses

In my search, I discovered several types of mattresses suitable for sleeper sofas:

  1. Innerspring Mattresses: These are traditional mattresses that I found provide good support. They feature coils that offer bounce and durability but can sometimes be a bit firm.
  1. Memory Foam Mattresses: I was impressed by how memory foam molds to your body, providing excellent comfort. These mattresses are great for reducing pressure points, making them a popular choice.
  1. Latex Mattresses: These are made from natural or synthetic latex and offer a great balance of support and comfort. I found them to be durable and hypoallergenic, which was a plus.
  1. Air Mattresses: Though less common for sleeper sofas, I noticed some options that allow you to adjust firmness by inflating or deflating. This flexibility can be great for varying comfort preferences.

Comfort Level and Firmness

Choosing the right firmness level was crucial for me. I realized that comfort is subjective, so I considered my guests’ preferences. Softer mattresses are cozy for lounging, while firmer options provide better support for sleeping. I opted for a medium-firm mattress, striking a balance that seemed suitable for most visitors.

Thickness Matters

The thickness of the mattress can greatly affect comfort and fit. I found that most full-size sleeper sofa mattresses range from 4 to 8 inches thick. While thicker mattresses tend to be more comfortable, I had to ensure it would fold comfortably into the sofa without getting stuck.

Material Quality

Investing in a high-quality mattress is essential for durability and comfort. I focused on mattresses made from high-density foam or well-constructed innerspring systems. Reading customer reviews helped me identify brands known for their durability and comfort over time.

Weight Considerations

Since I wanted to easily pull out the mattress when hosting guests, I paid attention to the weight. Lighter mattresses are easier to handle, but I also wanted to ensure that the mattress was sturdy enough to last.

Price Range

I found that prices for full-size sleeper sofa replacement mattresses vary widely, typically ranging from $150 to $800 or more, depending on the type and quality. I set a budget and looked for options that provided the best value for my needs.

Warranty and Return Policy

Before making my final decision, I checked the warranty and return policy. A good warranty gave me peace of mind, while a flexible return policy ensured that I could exchange the mattress if it didn’t meet my expectations.

Upgrading my full-size sleeper sofa mattress was a game-changer for my living space. By considering the dimensions, types, comfort levels, thickness, material quality, weight, price range, and warranty, I found a mattress that suited my needs perfectly. I hope this guide helps you on your journey to finding the ideal replacement mattress for your sleeper sofa!

Author Profile

Avatar
Carmen Stratton
Carmen Stratton is a writer, researcher, and lifelong admirer of well-crafted things. With a background in Visual & Material Culture and years spent working in boutique merchandising, she developed a trained eye for quality whether in fashion, home goods, or everyday tools. Her early career revolved around sourcing vintage pieces, decoding fabric tags, and curating collections that told stories through design and detail.

Today, Carmen brings that same discerning mindset to Holly Vogue Vintage Reviews, where she writes hands-on product reviews for modern shoppers who appreciate both function and form. Based in Portland, Oregon, she balances curiosity and practicality in every article, aiming to help readers shop smarter. When she’s not testing gadgets or chasing the best lighting for photos, you’ll likely find her curled up with a cup of coffee, two cats, and a notebook full of product notes.