Sofa Mattress Full Size

Upgrade your living space with a sofa mattress full size, designed to provide comfort and convenience for any home. Perfect for guest rooms, apartments, or multipurpose spaces, these mattresses easily transform your sofa into a cozy sleeping area. Explore options that fit seamlessly with your lifestyle and enjoy the versatility that a sofa mattress full size brings to your home.

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Sleepy's Basic Memory Foam Firm Mattress

3026

Starting at

$240⁷⁷

$800⁹⁹

$560 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Support
Temperature

72 hour sale ends Monday!

Sleepy's Rest Medium Innerspring Mattress

6912

Starting at

$285⁰⁰

$950⁹⁹

$665 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn

Beautyrest BR800 11.25" Firm Mattress

2187

Starting at

$412⁹⁹

$960⁹⁹

$548 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

Tulo Bamboo 10" Medium Green Tea Memory Foam Mattress

5470

Starting at

$262⁹⁹

$690⁹⁹

$428 OFF

Medium Comfort, best for

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

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5470

Starting at

$300⁹⁹

$790⁹⁹

$490 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Pain;Temperature;Toss and Turn
Pain
Temperature

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1820

Starting at

$530⁹⁹

$1180⁹⁹

$650 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5470

Starting at

$221⁹⁹

$610⁹⁹

$389 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Pain
Temperature

Purple Original Mattress

30156

Starting at

$1099⁰⁰

$1399⁰⁰

$300 OFF

Medium Comfort, best for

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

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

545

Starting at

$585⁹⁹

$1170⁹⁹

$585 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner;Pain;Temperature;Toss and Turn
Allergies
Temperature

Beautyrest BR800 12" Plush Euro Top Mattress

697

Starting at

$410⁹⁹

$1100⁹⁹

$690 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

603

Starting at

$520⁹⁹

$1040⁹⁹

$520 OFF

Medium Comfort, best for

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

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5473

Starting at

$560⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Lavender 8" Medium Memory Foam Mattress

468

Starting at

$340⁹⁹

Medium Comfort, best for

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

Beautyrest Silver BRS900 12" Plush Mattress

1090

Starting at

$500⁹⁹

$1400⁹⁹

$900 OFF

Plush Comfort, best for

Side Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Nectar Classic 12" Firm Memory Foam Mattress

208

Starting at

$599⁰⁰

$949⁰⁰

$350 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Bed Partner
Temperature

Sealy Essentials Winter Green 12" Plush Euro Top Mattress

391

Starting at

$520⁹⁹

$1040⁹⁹

$520 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner;Pain;Temperature;Toss and Turn
Allergies
Temperature

Beautyrest Black Series Three 15.25" Medium Mattress

2092

Starting at

$3529⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Kodiak Suede 7" Futon Mattress & Frame

Starting at

$868⁹⁹

Medium Comfort,

Kodiak Linen 7" Futon Mattress & Frame

Starting at

$901⁹⁹

Medium Comfort,

Beautyrest BR800 11.5" Medium Firm Mattress

2909

Starting at

$400⁹⁹

$1000⁹⁹

$600 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

Beautyrest BR800 Greenwood 13.5" Plush Pillow Top Mattress

2727

Starting at

$1180⁹⁹

Plush Comfort, best for

Side Sleepers
Bed Partner;Toss and Turn;Temperature;Pain
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 Greenwood 13.5" Medium Pillow Top Mattress

1827

Starting at

$1220⁹⁹

Medium Comfort, best for

Side;Back;Stomach Sleepers
Bed Partner;Toss and Turn;Temperature;Pain
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 Greenwood 11.25" Firm Mattress

1646

Starting at

$960⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner;Toss and Turn;Temperature;Pain
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Restore 11.5" Firm Hybrid Mattress

837

Starting at

$1999⁰⁰

$2249⁰⁰

$250 OFF

Firm Comfort, best for

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

Beautyrest BR800 Greenwood 12" Plush Euro Top Mattress

698

Starting at

$1100⁹⁹

Plush Comfort, best for

Side Sleepers
Bed Partner;Toss and Turn;Temperature;Pain
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's By Sealy Spring Plush Euro Top Mattress

566

Starting at

$1950⁹⁹

Plush Comfort, best for

Side Sleepers
Pain;Bed Partner;Toss and Turn;Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sofa Mattress Full Size

A full size sofa mattress is a versatile solution for anyone looking to maximize both comfort and functionality in a living space. Whether you’re outfitting a guest room, upgrading your family’s favorite sleeper sofa, or searching for a practical addition to a small apartment, the full size sofa mattress offers the perfect balance between generous sleeping space and space-saving design. As winter settles in and overnight guests become more frequent, having a reliable and comfortable mattress for your sofa bed can make all the difference in providing a restful night’s sleep. These mattresses are especially popular among hosts who want to ensure their visitors feel truly at home, as well as families who need an extra bed for sleepovers or unexpected company. College students and young professionals living in studio apartments often turn to full size sofa mattresses to create a living area that seamlessly transitions into a cozy sleeping space. For those shopping for a thoughtful housewarming or holiday gift, a new mattress for a sleeper sofa is a practical and appreciated choice, especially for anyone moving into a new home or updating their guest accommodations.

When choosing a full size sofa mattress, there are several important factors to consider to ensure the best fit for your needs. The material of the mattress plays a big role in comfort and support—memory foam options are well-known for their contouring feel, which can be especially welcome after a long day or during chilly January nights. Gel memory foam varieties are designed to help regulate temperature, which can be a bonus for guests who tend to sleep warm, while innerspring models offer a more traditional feel with a bit of bounce. It’s crucial to check the thickness of the mattress, as most sofa beds are designed to accommodate mattresses between 4 to 6 inches thick. This ensures the sofa can be closed properly without straining the frame, while still providing enough cushioning for a comfortable night’s sleep. Measuring your sofa bed before purchasing is key, as full size dimensions can vary slightly from one manufacturer to another—common measurements hover around 52” x 72”, but it’s always wise to double-check for a precise fit. For those wondering, “does Mattress Firm sell couches?”—while the focus is primarily on mattresses and bedding, you’ll find a range of sofa bed mattresses to upgrade your existing sleeper sofa. If you’ve seen options like the Big Lots full size mattress or Big Lots mattress full in your search, you’ll notice many similar features in terms of materials and sizing available at Mattress Firm, with the added benefit of expert guidance and customer support.

A new full size sofa mattress is an investment in both everyday comfort and hospitality. Imagine transforming your living room into a guest suite with just a quick flip of the sofa, or making your child’s next sleepover extra special with a mattress that feels almost as good as their own bed. For those with multi-purpose spaces, a quality sofa mattress allows you to entertain, relax, and sleep without compromise. If you’re also considering options for smaller spaces or need a different size for a secondary sleeper, explore complementary solutions like the Sofa Bed Twin Mattress to ensure every guest has a comfortable place to rest. As you browse the selection of full size sofa mattresses, think about who will be using the bed most often—whether it’s for family, friends, or your own nightly sleep—and choose a comfort level that matches their preferences, from plush and cushiony to firm and supportive. With the right choice, your sofa bed can become a centerpiece of comfort and convenience, ready to welcome guests or provide a restful retreat during the cozy winter months and beyond.