Full Size Mattress | How to Choose the Best for Comfort

(Last Update: 06/21/2025)

Are you ready to get the best night's sleep of your life?

It's possible with a full mattress! Comfort and ease are essential when choosing a mattress, but not all sizes are equal.

A full-size mattress is ideal for furnished spaces with limited space – but just because they don’t occupy as much room doesn't mean they lack quality or comfort.

Read this ultimate guide to learn more about what makes full-size mattresses great and how to maximize your sleep experience even if you have little square footage.

🏆 Top-Tier (Best Overall Performance & Comfort)

Best Overall:

Dream Cloud Premier 14" Full Mattress

Best for Temperature Regulation

• The Dream Cloud Premier 14" Full Mattress is perfect for hot sleepers who need temperature regulation during their sleep.
• This full size mattress dissipates heat thanks to its gel foam layer.
• With breathable coils and a cashmere blend Euro Top, this innerspring mattress keeps hot sleepers comfortable in any sleep position.

PRODUCT ADVANTAGES

• The Dream Cloud Premier full size mattress boasts many features. These features include
• Other mattress sizes: Twin, Twin XL, Queen, King, California King.
• CertiPUR-US certified foams, ensuring eco-friendly and safe materials
• A 365-night trial period, and allowing hot sleepers to test the new mattress at home.
• The Dream Cloud Premier 14" Full Mattress is an excellent choice for hot sleepers looking for a comfortable, responsive, and temperature-regulating full size mattress.
• This perfect mattress has luxurious design and innovative features make it a standout product worth considering for a great night's sleep for hot sleepers.

The Six Layers of Cooling Comfort

The Dream Cloud Premier 14" full size Mattress is made up of six premium layers that work together to deliver a luxurious sleeping experience:

• Luxury cashmere Euro Top for a soft and plush surface
• Quilted cooling Tencel for enhanced breathability
• Gel foam for weight distribution edge support and pressure relief
• Adaptive response transition layer for added support
• Innerspring individually wrapped coils for bounce and edge support
• Essential base layer for optimum performance

The Warranty and Trial Period

• Dream Cloud Premier includes a 365-night trial and lifetime warranty for risk-free, in-home mattress testing.

Shipping and Returns

• Enjoy free delivery and full refunds with hassle-free returns after the 365-night sleep trial.

My Verdict:

• The Dream Cloud Premier 14" full size Mattress is a top-rated option in the mattress industry for several reasons:
• First, its hybrid design perfectly balances support and comfort for hot sleepers.
• The temperature-regulating gel foam ensures a cool sleeping experience.
• Finally, the generous trial period and warranty show the company's confidence in its product.

Purple Original Full Mattress

Best for Side Sleepers

• The Purple Original full size Mattress is an exceptional choice for side sleepers seeking a perfect balance of comfort and support.
• Designed with innovative materials and technology, this full mattress accommodates various sleeping positions and ensures a restful night's sleep.

STANDOUT QUALITIES

• The Purple Original full size Mattress boasts many unique features
• Its temperature-neutral design prevents overheating or excessive cooling during sleep, and its breathability promotes a cool, comfortable sleep environment.
• The mattress is made in the USA.

How Long is a Full Mattress, when compared side by side with a California King Mattress?

• A full size Mattress is 75 inches long and 54 inches wide, while a California King Mattress is 84 inches long and 72 inches wide, which can accommodate the whole family.
• The full size mattress is shorter by 9 inches in length and narrower by 18 inches.
• Full mattresses are ideal for single adult sleepers or smaller spaces, while California Kings are perfect for taller individuals or couples who need extra length and width for comfort.
• A full size mattress can allow co-sleeping, but it may be less spacious than larger mattresses like a queen or king.
• For couples, a full size mattress offers 54 inches of width, which can feel a bit cramped, especially if both sleepers move frequently.

The Mattress Has a Hypoallergenic Feature

• Certified by CertiPUR-US and Clean Air GOLD standards, the Purple Original Full Mattress is made from recyclable and food contact–grade materials, making it safe and hypoallergenic for those with allergies or sensitivities.

Trial Period and Warranty

• Purple offers a 100-night trial and 10-year warranty, ensuring confidence with hassle-free returns or exchanges.

Shipping and Returns

• Enjoy free shipping and a 21-night adjustment period before initiating returns by phone.

Are Financing Options Available?

• Qualified buyers can finance through Affirm, with 0% APR and 6–48 month plans.

My Verdict:

• The Purple Original full size Mattress is a top-rated choice due to its innovative GelFlex Grid technology, which provides instant contouring support for perfect body alignment.
• With its medium firmness, unique design, and high-quality construction, this mattress has earned its place as a top-rated option in the mattress world.

Casper Sleep Original Hybrid Mattress

Best For Side Sleepers

• The Casper Sleep Original Hybrid Full Mattress offers optimal support and comfort for side sleepers, thanks to its medium firmness and Zoned SupportTM system.
• This design ensures proper spinal alignment.

FUNCTIONAL ELEMENTS

Zoned Support™

• The Casper Sleep Original Hybrid Mattress is renowned for its Zoned Support™ technology.
• This innovative feature divides the mattress into distinct zones that provide varying support levels to different body parts. Specifically designed to align the spine and relieve pressure points, it ensures a restful and pain-free sleep.
• Tailored support for different body areas
• Promotes spinal alignment
• Reduces pressure on hips and shoulders

Firm Border for Edge Support

• One of the standout features of the Casper Sleep Original Hybrid Mattress is its firm border designed for exceptional edge support.
• This element ensures the mattress retains its shape and support, even when you sleep close to the edge.
• Prevents sagging at the edges
• Expands usable sleeping area
• Facilitates easier bed entry and exit

The Casper Sleep Original Hybrid Mattress offers a harmonious blend of technology-driven features for optimal comfort and a cool.

Can the Mattress Help with Heat Dissipation?

• The Casper Sleep Original Hybrid Mattress promotes heat dissipation through its AirScapeTM perforated breathable foam layer.

Breaking down the Zoned Support Coils of Comfort

• The type of mattress boasts zoned support coils for optimal comfort, offering targeted relieving pressure points to different body parts.
• A high-density foam base is included to ensure superior durability and maximum shape retention for an improved sleep experience night after night.

The Certifications of Casper Beds

• CertiPUR-US certified, the Casper Sleep Original Hybrid Full Mattress meets rigorous content, emissions, and durability standards.
• The CPSC recognizes the non-hazardous, continuous filament fiberglass used in Casper mattresses.

Trial Period and Warranty

• Casper Hybrid includes a 100-night trial and 10-year warranty for a confident, risk-free mattress experience.

Shipping and Returns

• Enjoy free shipping, easy returns, and full refunds during the trial—Casper handles home pickup.

Are Financing Options Available?

• Affirm offers 0% APR financing with flexible monthly payments for qualified buyers.

My Verdict:

• The Casper full size Mattress is a top-rated full bed due to its unique and supportive design.
• Its removable cover is made with high-quality, comfortable, durable, recycled materials.
• Combining these features makes the Casper full size bed one of the best choices for side sleepers looking for a quality night's sleep.

Leesa Original Foam 10" Full Mattress

Best for Combination Sleepers

• The Leesa Original Foam 10" full size Mattress is designed for any sleep position or combination sleepers.
• So whether you sleep on your back, side, or stomach, this all-foam mattress offers the perfect balance of comfort and support.

PRIMARY FEATURES

• Leesa's Original Foam 10" Full Mattress is designed with a breathable foam top layer, contouring foam, and a supportive base layer.
• The entire mattress works together to provide targeted pressure relief and support for all sleeping positions..

The Mattress is Soft and Stylish

• The Leesa Original Foam full size Mattress features a breathable, beautiful gray twill cover with no tapered edges.
• Excellent for Alleviating Pressure and Reducing Lower Back Pain
• The mattress's premium all-foam construction provides cooling, contouring, and pressure-relieving support, perfect for those who suffer from lower back pain or desire a more comfortable sleeping surface.

Trial Period and Warranty

• Leesa Original Foam includes a 100-night trial and 10-year warranty, letting you test comfort and sleep risk-free.

Are Financing Options Available?

• Financing makes Novilla mattress purchases easy with affordable plans for qualified customers.

My Verdict:

• The Leesa Original Foam 10" full size Mattress is a top-rated mattress for its exceptional comfort, pressure-relieving support, stylish design, and commitment to a better world through its mattress donation program.
• Experience the difference a Leesa mattress can make in your sleep quality and overall well-being.

Brooklyn Bedding Signature Hybrid Mattress

Price Range: $1,099 - $1,499

Rating: 4.7/5 stars

Best for Side Sleepers:

• The Signature Hybrid provides excellent pressure relief on the shoulders and hips.
• Second Best for Back Sleepers: The hybrid design offers great support for spinal alignment, ideal for back sleepers.

VALUE OFFERINGS

• Comfort & Firmness Level: The Brooklyn Bedding Signature Hybrid offers a medium, medium-firm, and firm option. Combining plush foam and supportive coils provides an optimal balance of comfort and support.
• Support & Spinal Alignment: The zoned coil system ensures that the mattress offers support where needed most. It promotes spinal alignment, helping alleviate back pain and reducing pressure on the lower back, shoulders, and hips.
• Pressure Relief & Pain Reduction: The memory foam and latex layers reduce pressure points, accommodating various body types.

Warranty & Trial Period

• 365-Night Trial: The Brooklyn Bedding Signature Hybrid has an impressive 365-night trial period. A 10-year warranty ensures peace of mind regarding the mattress's durability and performance.

My Verdict:

• Brooklyn Bedding Signature Hybrid is great for sleepers seeking comfort, support, and cooling. It is ideal for side and back sleepers who need both pressure relief and spinal alignment.

🥈 Upper-Mid Tier (Solid Choices for Most Sleepers)

Nectar Memory Foam Full Mattress

Best for Stomach Sleepers

• For stomach sleepers, finding the right mattress can be a challenge. However, the Nectar full size mattress is the perfect solution.
• This firmer mattress offers an ideal level of firmness that provides excellent support, particularly for stomach sleepers.

Is the Mattress Good for Other Sleep Positions?

• It's not just good for stomach sleepers; the Nectar Full mattress also offers optimal coolness, breathability, and comfort for side sleepers, back sleepers, and those who toss and turn throughout the night.
• The Nectar memory foam beds can contour your body's shape.

The Working Process of the Nectar Tancil Cover For Optimized Sleep

• The Nectar Tancil Cover optimizes sleep by regulating temperature and wicking away moisture throughout the night.
• Its breathable Tencel fabric helps to keep stomach sleepers' bodies cool and comfortable, while its quilted structure adds extra cushioning for enhanced comfort.

USER-CENTRIC DETAILS

• The Nectar full size mattress boasts several impressive features.
• With five layers of comfort, the Nectar mattress offers unbeatable support and relief from pressure points.
• The gel memory foam cradles the whole body, while the dynamic response transition layer provides tailored support, rebound, and bounce.

The Heat Dissipation of the Mattress

• The gel memory foam layer helps dissipate heat and support your body while you sleep.
• The adaptive hi-core foam layer is designed to provide rebound and bounce to the mattress.

Breaking Down the Layers of Comfort

The Nectar Memory Foam Mattresses have these layers.

• Quilted Cover: Soft and breathable for added comfort.
• Gel Memory Foam: Provides cooling and pressure relief.
• Adaptive Memory Foam: Conforms to the body for support.
• Transition Foam: Ensures smooth weight distribution.
• Base Support Foam: Provides stability and durability.

The Health Certifications.

• The mattress is CertiPUR-US certified and has been independently tested for safety, durability, and performance.
• The breathable base layer helps to relieve pressure and promote airflow throughout the mattress, which can help.

Trial Period and Warranty

• Nectar offers a 365-night trial and Forever Warranty™, ensuring year-round comfort and long-term mattress protection.

Shipping and Returns

• Enjoy free shipping and returns, with refunds minus applicable service or recycling fees.

Are Financing Options Available?

• Affirm financing offers flexible payments with no impact on credit score.

My Verdict:

• The Nectar Foam full size Mattress earns top-rated status due to its innovative, award-winning design, luxurious layers, and a cooling quilted cover.
• This mattress ensures a comfortable, refreshing sleep experience.

Tuft & Needle - Original Full Firm Mattress

Best for Stomach and Back Sleepers

• The Tuft & Needle Original full size Mattress is perfect for stomach and back sleepers.
• Its medium-firm feel and compatibility with various bed frames ensure the right support and comfort for a restful night's sleep if you have back pain, regardless of your preferred sleeping position.

PERFORMANCE PERKS

• Tuft & Needle's Original full size Mattress uniquely combines comfort and edge support. Its slow-recovery foam layer and pocketed coils offer firmness, while its base foam ensures stability.
• Heat-absorbing graphite and cooling beads help regulate temperature.
• The mattress is also certified by CertiPUR-US and designed to relieve pressure so you can wake up refreshed.

Do Tuft & Needle Mattresses Sleep Hot?

Tuft & Needle's Adaptive® foam is designed to offer a cooler sleeping experience by drawing away heat and encouraging breathability.

Cutting-edge technology ensures you won't wake up sweating during the night, allowing for comfortable, restful sleep.

Latex Information for Tuft & Needle

• The mattresses don't use natural latex or latex foam. Instead, they use synthetic or latex foam as an adhesive between foam layers, which should not come into direct contact with your body while sleeping.
• Natural latex resists dust mites and allergens.

Trial Period and Warranty

• Tuft & Needle includes a 100-night trial and 10-year warranty, protecting your investment and ensuring sleep satisfaction.

Shipping and Returns

• Enjoy free shipping and hassle-free returns with prepaid return labels provided.

Financing Options Available

• Affirm offers 3–12 month financing with no hidden fees, making mattress purchases more affordable.

MY VERDICT:

• Please consider the Nod Hybrid by Tuft & Needle when purchasing a mattress.
• It is a top-rated bed that combines the pressure-relieving benefits of innovative foam with the classic comfort and bounce of an innerspring mattress.
• Its unique design and combination of materials have earned it high praise from customers seeking support and comfort to alleviate their back pain.

Brooklyn Bedding Plank Firm Full Mattress

Price Range: $999 - $1,099

Rating: 4.8/5 stars

Best for Back Sleepers: 

• The ultra-firm surface supports back sleepers, maintaining optimal spinal alignment.
• Second Best for Stomach Sleepers: The firm surface ensures minimal sinking, supporting stomach sleepers who need a solid base.

VALUE OFFERINGS

• Comfort & Firmness Level: The Brooklyn Bedding Plank Firm full size Mattress is designed to offer two levels of firmness: firm and ultra-firm. The ultra-firm side is perfect for those who prefer no give.
• Support & Spinal Alignment: This mattress provides exceptional support due to its solid, no-give construction. It's especially beneficial for individuals with back pain, as it ensures proper spinal alignment and reduces pressure on the body’s sensitive areas.
• Pressure Relief & Pain Reduction: The firm design of the mattress provides no pressure points, especially for those who prefer a firmer surface.

Warranty & Trial Period

• 10-Year Warranty: The Brooklyn Bedding Plank mattress has a 10-year warranty.
• The 120-night trial period allows you to test it risk-free and return it if it doesn’t meet your expectations.

MY VERDICT:

• The Brooklyn Bedding Plank Firm full size Mattress is perfect for back and stomach sleepers who need no-give support.
• It is also ideal for those looking for a long-lasting, firm mattress with two firmness options.

Conclusion:

There's a full mattress out there for everyone.

Considering all the factors suggested in this blog post, we hope you'll determine which full mattress is best for you.

All the mattresses offer top quality and exemplary comfort – but only one will be ideal for your lifestyle and budget.

To choose a mattress that fits your sleep needs, prioritize comfort first and foremost. This will provide you with the most restful night's sleep.

So take your time, read up on each mattress's features and benefits, and once you have made your selection, remember to tap that button to find out its price.

If you’re considering a mattress with more length than a full-size, check out our Full XL Mattress guide for taller sleepers.

FAQs

How big is a full size mattress?

A full-size mattress, also known as a double, typically measures 54 inches wide and 75 inches long. It provides ample space for single sleepers and is ideal for those who prefer more room to move around but don’t need the space of a queen size bed.

What size is a full size mattress?

A full mattress measures 54 inches in width and 75 inches in length. It’s a popular option for individuals who want more space than a twin, but it is smaller than a queen bed. Full mattresses are suitable for most bedrooms for single sleepers.

How wide is a full size mattress?

A full-size mattress is 54 inches wide. This width provides enough space for a single sleeper to stretch out comfortably, offering more room than a twin mattress, but still compact enough to fit in smaller rooms or apartments.

What are the dimensions of a full size mattress?

The dimensions of a full-size mattress are 54 inches in width and 75 inches in length. It is larger than a twin mattress, making it a great option for individuals who need more space but don’t have room for a queen-sized mattress.

What is the size of a full size mattress?

A full-size mattress measures 54 inches by 75 inches. It’s a great middle-ground option for sleepers who want extra room compared to a twin mattress but don’t need the larger size of a queen. It’s perfect for smaller rooms or solo sleepers.

Should I buy a twin or full size mattress?

If you need more space to sleep comfortably, a full-size mattress is ideal, measuring 54 inches wide. A twin mattress, at 38 inches wide, is more compact and better suited for accommodating children or smaller spaces. Choose based on your room size and comfort preferences.

Can a full size mattress fit a queen frame?

A full-size mattress will not fit a queen-size frame as it’s bit small. A queen mattress measures 60 inches wide and 80 inches long, while a full-size mattress is 54 inches wide and 75 inches long, making them incompatible in terms of size.