Best Full Size Mattress 2026: Saatva Classic Leads, PlushBeds Second

Finding the best full size mattress comes down to one question: what do you want a 54 by 75 inch bed to do for you. Our top pick is the Saatva Classic in Full, an innerspring mattress with a 3 inch Euro pillow top, a dual coil system, three comfort levels and two heights, sold with white glove delivery and a 365 night home trial, and our second pick is the PlushBeds Heavenly Plush Luxury Hybrid. It is the rare full size mattress that is built like a luxury hotel bed and still gives you a real choice of firmness.

Our pick

Saatva Classicbest full size mattress for most sleepers

• 365-night home trial
• Free white-glove delivery and old-mattress removal
• Lifetime warranty
• Three comfort levels and two heights in Full size

Check today’s Saatva price →

Who is a full size mattress for?

A full size mattress measures 54 inches wide by 75 inches long, which suits one adult who wants more room than a twin without committing to a queen. Teenagers moving up from a twin, guest rooms, studio apartments and bunk or trundle setups all fit a full well. If two people plan to share the bed every night, a queen gives each sleeper more width, and that is the honest limit of the full size. For a single sleeper who wants a real choice of firmness and a proper support system, the full size is a comfortable, practical footprint.

Here is who should buy a full size mattress in 2026, and who should not:

• Single adults in smaller rooms who want more sleep surface than a twin but cannot fit a queen frame.
• Teenagers and young adults upgrading from a twin, often the moment a full size becomes the obvious step.
• Guest rooms where the bed needs to feel generous to one visitor and still leave floor space.
• Couples who sleep apart or very compactly should think carefully, since 54 inches is tight for two.
• Shoppers who want a firmness choice, because the Saatva Classic is available in Full in Plush Soft, Luxury Firm and Firm.

What are the best full size mattresses in 2026?

Our top pick for the best full size mattress in 2026 is the Saatva Classic, and the PlushBeds Heavenly Plush Luxury Hybrid takes second place. The Classic is an innerspring mattress with a 3 inch Euro pillow top, a dual coil design made of triple tempered recycled carbon steel, and patented Lumbar Zone Technology for support through the middle of the bed. In Full size and up, the coil system uses over 1,000 recycled carbon steel coils. The cover blends organic cotton and is treated with Guardin, a botanical antimicrobial treatment. It is CertiPUR-US certified foams and GREENGUARD Gold certified, and it is endorsed by the American Chiropractic Association.

#1 Saatva Classic

Who it suits: single sleepers who want a real firmness choice in Full size, couples with mixed preferences who are moving up to a queen later, and stomach or side sleepers who want a supportive coil base rather than a deep foam hug.

• Available in Full in three comfort levels: Plush Soft (3/10), Luxury Firm (5-7/10) and Firm (8/10).
• Two mattress heights, 11.5 inches and 14.5 inches, with the 11.5 inch version pairing with an adjustable base.
• 3 inch Euro pillow top over a dual coil system of triple tempered recycled carbon steel, with over 1,000 coils in Full size and up.
• Patented Lumbar Zone Technology for targeted support through the center of the bed, plus CertiPUR-US certified foams and GREENGUARD Gold certification.
• 365 night home trial, free white glove delivery with in room setup and old mattress removal, and a lifetime warranty.

Honest drawback: the Classic is positioned as a luxury innerspring, so shoppers looking for the lowest possible price for a guest room may find a better fit elsewhere, and the full size footprint itself stays narrow for two adults sharing every night.

See the Saatva Classic in Full on the official page.

#2 PlushBeds Heavenly Plush Luxury Hybrid

Who it suits: full size shoppers who want a hybrid with a clear firmness ladder, since this model is offered in Full in three profiles: 12 inch Firm, 14 inch Cushion-Firm and 16 inch Ultra-Plush.

• 365 night return policy and a 365 night comfort exchange.
• Forever Warranty on the mattress.

Honest drawback: the three profiles differ in height and feel, so the choice takes more thought than a single firmness option.

Read our PlushBeds Heavenly Plush Luxury Hybrid review.

#3 Puffy Royal Upgrade 5

Who it suits: full size shoppers who want zoned back support and a cooler, drier feel in a hybrid build, with a long trial to decide at home.

• Zoned back support with body-contouring foam and coils in a 10 layer hybrid build.
• Premium blended wool aimed at cooler, drier nights.
• 365 night sleep trial with free shipping and free returns.
• Lifetime warranty, assembled in the USA.

Honest drawback: the Royal Hybrid upgrade is not offered in Twin, and the Monarch upgrade is not available for Twin or Full size.

Read our Puffy Royal Upgrade 5 review.

#4 Amerisleep AS2

Who it suits: sleepers who want a medium firm foam mattress built around spinal alignment, with a cooling cover and a fiberglass-free construction.

• Medium firm feel at a 12 inch profile height.
• Plant-based Bio-Pur memory foam with HIVE technology for airflow and targeted support.
• Refresh Cooling Technology cover, with the sleeping surface staying 7 degrees cooler over an eight-hour night of rest on average.
• 100 night sleep trial, 20 year warranty, free shipping and returns, made in the USA, fiberglass-free.
• Endorsed by the American Chiropractic Association.

Honest drawback: the AS2 page presents the size selector at Queen, and the trial runs 100 nights rather than the year-long trials offered by the two mattresses above it.

Read our Amerisleep AS2 review.

#5 Sweetnight Coolnest

Who it suits: hot sleepers on a full size bed who want a cooling cover and a choice of thickness, since the Coolnest line is offered in Full in 12 inch, 14 inch and 16 inch profiles.

• CoolNest system designed to feel up to 8 degrees cooler, with a 3D airflow structure cover.
• 5-zone ergonomic support design with full-body pressure relief.
• Available as a memory foam mattress in Basic, Pro and Ultra models, and as a hybrid with Dynamic Coil technology and a reinforced edge.
• 100 night trial, 10 year warranty, free US shipping.
• CertiPUR-US certified foam and fabric certified to OEKO-TEX Standard 100.

Honest drawback: the warranty runs 10 years.

Read our Sweetnight Coolnest review.

#6 Englander Anisha Double Sided Med Firm

Who it suits: full size shoppers who want a flippable mattress they can turn over for long-term wear, with a firm medium feel and reinforced edges.

• Double-sided flippable design combining medium-firm foam and dense firm foam layers.
• 5-Zoned Silhouette Foam for targeted support and breathability.
• 460 Foam Encased Open Coil Support System that maximizes airflow and reinforces the perimeter.
• 12 inch profile with a comfort level described as Firm Medium, wrapped in a custom-milled cover.
• 10 year prorated warranty.

Honest drawback: the warranty is prorated, and the comfort level is a single firm medium option rather than a choice of feels.

Read our Englander Anisha Double Sided Med Firm review.

How do the six compare side by side?

The table below lines up the six ranked mattresses on the terms that matter for a full size bed: feel, construction, trial, warranty and delivery. A hyphen means the detail is not part of that model’s own published page.

How do you choose the right firmness in a full size mattress?

Firmness decides how the mattress feels under you and who it suits best. The Saatva Classic comes in three comfort levels, and each one is aimed at a different sleeper. Plush Soft is a 3 out of 10 with a contouring, body hugging feel, made for side sleepers who need pressure relief at the hips and shoulders and for lighter weight people who find most mattresses too firm. Luxury Firm is a 5 to 7 out of 10, the brand’s most popular level, balancing cushioning with uplifting support and designed to feel like a luxury hotel bed. It suits all sleep positions and couples who cannot agree on firmness. Firm is an 8 out of 10 with a floating on top feel, aimed at stomach sleepers, back sleepers who want a very firm surface, and heavier body types in the 250 to 300 pound range.

The other five mattresses on this list each take a different route to firmness. PlushBeds offers three named profiles by height rather than a numbered scale. Puffy describes the Royal as ultra-plush. Amerisleep presents the AS2 as medium firm. Sweetnight lets you pick a thickness of 12, 14 or 16 inches. Englander gives one firm medium option in a flippable build. If you already know you want a specific feel, start from that column in the table above and work outward.

What should you know about trial, warranty and delivery?

Three of the six mattresses carry a 365 night trial: the Saatva Classic, the PlushBeds Heavenly Plush Luxury Hybrid and the Puffy Royal Upgrade 5. PlushBeds adds a 365 night comfort exchange on top of its return policy. The Amerisleep AS2 and the Sweetnight Coolnest each run a 100 night trial. Warranty terms spread wider: Saatva covers its mattress for as long as the original purchaser owns it, Puffy lists a lifetime warranty, PlushBeds uses the Forever Warranty, Amerisleep runs 20 years, and both Sweetnight and Englander run 10 years, with Englander’s described as prorated.

Delivery also differs. Saatva includes free white glove delivery with in room setup, and will take away your old mattress at no additional cost when you check the free mattress removal box at checkout. Puffy ships free with free returns and states that orders leave in 1 to 2 days. Amerisleep offers free shipping and returns. Sweetnight offers free US shipping. For PlushBeds and Englander, delivery terms are not part of the model pages behind this ranking.

Who should buy the Saatva Classic in Full, and who should look elsewhere?

The Saatva Classic earns the top spot because it is the only mattress on this list that pairs a full size footprint with three named comfort levels, two heights, a dual coil system of over 1,000 triple tempered recycled carbon steel coils in Full size and up, and a service package of 365 nights at home, white glove setup, old mattress removal and a lifetime warranty. It suits a single adult who wants a real choice of feel, a teenager moving up from a twin who will keep the bed for years, a guest room that should feel generous, and a stomach or side sleeper who prefers a coil base over a foam hug. The patented Lumbar Zone Technology targets support through the center of the bed, and the cover blends organic cotton with a Guardin botanical antimicrobial treatment. CertiPUR-US certified foams, GREENGUARD Gold certification and an endorsement from the American Chiropractic Association round out the construction story.

Look elsewhere if you want a flippable design, since only the Englander Anisha Double Sided Med Firm can be turned over. Look elsewhere if a cooling cover is the deciding factor, since the Amerisleep AS2 and the Sweetnight Coolnest both build cooling into the surface. Look elsewhere if you want a single firm medium feel with no choices to make, which is exactly what the Englander offers. And if the full size footprint itself is the problem, meaning two adults will share the bed every night, a queen gives each sleeper more width than 54 inches allows.

World Sleep Almanac score: 8.6/10

The World Sleep Almanac editorial score for this ranking is 8.6/10, assigned against five criteria: price at equal size, trial and returns, warranty, materials and construction, and public customer reviews. The Saatva Classic lifts the score on trial and warranty with 365 nights and lifetime coverage, and on materials and construction with its dual coil system, Lumbar Zone Technology, CertiPUR-US certified foams and GREENGUARD Gold certification. The full size footprint and the luxury positioning of the top pick keep the score just short of the top mark. The score is an editorial rating, not a test result.

Frequently asked questions

What size is a full size mattress?

A full size mattress measures 54 inches wide by 75 inches long. That gives one adult more room than a twin without the footprint of a queen, which is why full size beds suit teenagers, guest rooms and studio apartments. Two adults sharing every night will find 54 inches tight, and a queen is the usual next step when width matters more than floor space.

How many coils are inside the Saatva Classic?

In Full size and up, the Saatva Classic uses a dual coil system made up of over 1,000 recycled carbon steel coils, tempered three times for durability. The coils sit under a 3 inch Euro pillow top, and the dual coil design also allows more airflow through the mattress to help disperse body heat.

Can the Saatva Classic go on an adjustable base?

Yes, the 11.5 inch height of the Saatva Classic can be placed on an adjustable base to elevate head and feet. The 14.5 inch version pairs with a foundation, box spring, bunkie board, standard bed frame or platform bed frame with slats at least 3 inches wide and spaced less than 4 inches apart.

Which firmness should side sleepers pick in a full size mattress?

Side sleepers who need pressure relief at the hips and shoulders tend to suit the softer end of the range, such as the Saatva Classic Plush Soft at 3 out of 10 or the PlushBeds 16 inch Ultra-Plush profile. Sleepers who change positions all night often land on a middle option like Luxury Firm at 5 to 7 out of 10 or the Amerisleep AS2 medium firm feel.

Is a full size mattress enough for two people?

At 54 inches wide, a full size bed is tight for two adults sharing every night. It works for couples who sleep apart, sleep very compactly, or use the bed in a guest room where one visitor is the norm. When two people share the bed permanently, a queen gives each sleeper more width.

What does white glove delivery include with the Saatva Classic?

Saatva’s free white glove delivery includes in room delivery and setup, and the crew will take away your old mattress at no additional cost when you check the free mattress removal box at checkout. The purchase is also covered by a 365 night home trial and a lifetime warranty for the original purchaser.

Reviewed by the World Sleep Almanac editorial team, updated October 2026.