How to Make Memory Foam Mattress Firmer

Discover how to make memory foam mattress firmer and enjoy a more supportive sleep experience night after night. Whether your mattress has softened over time or simply doesn’t provide the firmness you need, there are several effective solutions to enhance its feel and support. From simple adjustments to practical accessories, finding the right approach can help you wake up feeling refreshed and well-rested. Explore proven tips and techniques designed to help you achieve the perfect level of comfort and stability for your memory foam mattress.

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Sleepy's Basic Memory Foam Firm Mattress

2701

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!

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3046

Starting at

$580⁹⁹

$1400⁹⁹

$820 OFF

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 11.25" Firm Mattress

2057

Starting at

$480⁹⁹

$1000⁹⁹

$520 OFF

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Stearns & Foster Estate 14.5" Firm Mattress

1377

Starting at

$2999⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1637

Starting at

$855⁹⁹

$2000⁹⁹

$1145 OFF

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Pressuresmart MF 12.5" Firm Mattress

212

Starting at

$1500⁹⁹

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tulo Lavender 6" Firm Memory Foam Mattress

214

Starting at

$350⁹⁹

Firm Comfort, best for

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

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5268

Starting at

$143⁹⁹

$450⁹⁹

$307 OFF

Firm Comfort, best for

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

Nectar Classic 12" Firm Memory Foam Mattress

161

Starting at

$849⁰⁰

$1399⁰⁰

$550 OFF

Firm Comfort, best for

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

Sealy Essentials Spruce 5.5" Firm Mattress

1366

Starting at

$260⁹⁹

$650⁹⁹

$390 OFF

Firm Comfort, best for

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

Tempur-Pedic TEMPUR-ProAdapt 12" Firm Mattress

4290

Starting at

$3399⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Sealy Posturepedic Plus Hybrid High Point 14" Firm Mattress

4246

Starting at

$1450⁷⁷

$2899⁰⁰

$1449 OFF

Firm Comfort, best for

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

Beautyrest Black Series Three 15" Firm Mattress

1688

Starting at

$3249⁰⁰

Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest PressureSmart 2.0 Hybrid Firm 13" Mattress

1269

Starting at

$2050⁹⁹

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tempur-Pedic TEMPUR-LuxeAdapt 13" Firm Mattress

1268

Starting at

$4199⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Beautyrest BR800 Greenwood 10.5" Firm Mattress

3362

Starting at

$850⁹⁹

Firm Comfort, best for

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

Sleepy's By Sealy Memory Foam Firm Mattress

2701

Starting at

$270⁹⁹

$850⁹⁹

$580 OFF

Firm Comfort, best for

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

Beautyrest PressureSmart 2.0 Extra Firm 13.5" Mattress

2017

Starting at

$1950⁹⁹

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tempur-Pedic TEMPUR-LuxeBreeze Firm 13" Mattress

1296

Starting at

$5699⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Stearns & Foster Estate 13.5" Extra Firm Mattress

919

Starting at

$2399⁰⁰

Extra Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Stearns & Foster Lux Estate 14.5" Extra Firm Mattress

737

Starting at

$3099⁰⁰

Extra Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Sealy Posturepedic Elite Albany II 14" Firm Mattress

311

Starting at

$2199⁰⁰

Firm Comfort, best for

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

Receive $200 Instant Gift⁴ with purchase.

Beautyrest Black Series Two 14.25" Firm Mattress

302

Starting at

$2549⁰⁰

Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Sealy Posturepedic Elite Hybrid High Point II 14" Firm Mattress

300

Starting at

$2999⁰⁰

Firm Comfort, best for

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

Receive $200 Instant Gift⁴ with purchase.

Beautyrest Black Series Three 14.25" Extra Firm Mattress

237

Starting at

$3799⁰⁰

Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Sleepy's By Sealy Hybrid HD Mattress

210

Starting at

$700⁹⁹

$1400⁹⁹

$700 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

How to Make Memory Foam Mattress Firmer

If you’re searching for ways to make a memory foam mattress firmer, you’re not alone—many sleepers find that, over time, their mattress can lose some of its original support, especially as the seasons shift and the demands on your sleep environment change. As autumn approaches and cooler nights settle in, you might notice your memory foam mattress feels different than it did during summer’s warmth. This is because memory foam responds to temperature: it softens in the heat and firms up in the cold. For those who crave extra support, especially as the weather cools, there are several practical solutions to help restore or enhance the firmness of your bed. One of the most straightforward methods is to add a firm mattress topper—look for options made from latex or high-density foam, which can add a resilient layer of support without sacrificing the contouring comfort that memory foam is known for. These toppers can be a thoughtful gift for college students settling into new dorms, aging parents who need a sturdier sleep surface, or anyone recovering from injury and in need of extra support. For immediate results, consider placing a solid foundation beneath your mattress, such as a bunkie board, sheet of plywood, or a rigid platform bed. These simple additions can transform the feel of your mattress by creating a flat, unyielding surface that minimizes sagging and maximizes stability.

Beyond adding supportive layers or foundations, there are other strategies to extend the life and firmness of your memory foam mattress. Regularly rotating your mattress 180 degrees helps distribute weight and wear evenly, preventing the development of soft spots that can disrupt your sleep. If your mattress is flippable, flipping it can provide a fresh, firmer surface and prolong its supportive qualities. For those seeking an immediate, no-cost solution, temporarily moving your mattress to the floor can offer a firmer feel, though it may make getting in and out of bed a bit more challenging. Maintaining a cool bedroom environment—ideally between 60 and 67 degrees Fahrenheit—not only supports healthy sleep but also helps memory foam retain its firmness, as cooler temperatures increase foam density. If you live in a humid climate or have noticed moisture buildup, airing out your mattress in a sunny, dry spot can help preserve its structure and prevent sagging. In the early days of breaking in a new mattress, placing heavy, flat objects on top can help set a firmer tone, ensuring the surface remains supportive as it adapts to your body. Whether you’re shopping for yourself or searching for a practical, comfort-boosting gift, these solutions can make a significant difference in how your memory foam mattress feels night after night.

When considering how to make a memory foam mattress firmer, it’s important to think about your unique sleep needs, bedroom setup, and lifestyle. Parents outfitting a guest room, couples with different comfort preferences, or anyone transitioning to a new living space can all benefit from these supportive upgrades. Investing in the right combination of foundation and topper can transform even the softest mattress into a supportive haven, perfect for restful sleep through the changing seasons. For those who find that home solutions only go so far, exploring a new mattress designed with firm support in mind may be the best long-term investment. To discover top-rated options that combine the contouring comfort of memory foam with a firmer feel, explore our curated selection at Best Firm Memory Foam Mattress. With thoughtful adjustments and the right products, you can enjoy a supportive, rejuvenating sleep experience every night, tailored to your comfort and the rhythm of the seasons.