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Sealy® NM® Adjustable Bed Base Friendly

Sealy mattresses are engineered for dependable, body-aligning support — many featuring Posturepedic Technology that reinforces the centre third where you need it most. Compare every option below by feel, size, and price.
NM mattresses are National Mattress's own line — quality construction at honest, direct prices across firmness levels and builds. Compare every option below by feel, size, and price.

Shop adjustable base friendly mattresses from Beautyrest, Serta, Sealy, Tempur-Pedic, Springwall, iComfort, and Stearns & Foster at National Mattress, a range of models in memory foam, hybrid, latex, eurotop, and tight-top constructions across a range of budgets. Every mattress in this collection is manufacturer-verified to flex and articulate with adjustable bases without voiding the warranty. Available in Twin through King sizes with firmness levels from extra firm to plush, all with CertiPUR-US® certified foams. 100% of models are manufactured in Canadian factories. Read our delivery information, sleep trial terms, and warranty information before ordering.

Sealy® NM® Adjustable Bed Base Friendly
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  • Sealy Cocoon 8-inch medium-firm memory foam mattress, white swirl-pattern top, black sides, Cocoon logo Sealy Cocoon Memory Foam Mattress Logo
    • Premium Fabric Cover
    • Perfect Fit Memory Foam
    • Personalized Comfort Layer
    • Essential Support Foam
    • 10 Year Warranty
    Single/Twin In stock for fast delivery $505
    Twin XL In stock for fast delivery $553
    Double/Full $610
    Queen In stock for fast delivery $599
    Compare at $1,699
    King In stock for fast delivery $869
    Online availability icon In-Stock Only 8 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
    M5H 2N1
  • NM® Essential 8" Memory Foam Mattress - 1 NM® Essentials collection logo
    • 2″ Gel AeroFusion® Memory Foam
    • Standard Comfort Knit Cover
    • Flex Support Foam Core
    • 10 Year Warranty
    Single/Twin $432
    Twin XL In stock for fast delivery $455
    Double/Full $586
    Queen In stock for fast delivery $639
    Compare at $1,399
    Online availability icon In-Stock Only 7 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
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  • Sealy Posturepedic 800 Series 13-inch medium-firm euro-top mattress, deeply tufted grey-blue top, grey sides Sealy Posturepedic Mattress Logo
    • CleanProtect™ Fabric
    • Quilt Stay True® Quilt with MoistureProtect™ Fibres
    • CertiPUR-US™ SealySupport™ Gel HD Foam
    • Posture Touch® Pocket Coils
    • StableEdge™ HD
    • Targeted Gel HD Foam
    Single/Twin $491
    Twin XL $566
    Double/Full $575
    Queen $642
    Compare at $1,499
    King $904
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery to M5H 2N1 on Tue, Sep 29
  • Sealy Posturepedic 800 Series 14-inch plush euro-top mattress, tufted grey speckled top on black foundation Sealy Posturepedic Mattress Logo
    • CleanProtect™ Fabric
    • Quilt Stay True® Quilt with MoistureProtect™ Fibres
    • CertiPUR-US™ SealySupport™ Gel HD Foam
    • Posture Touch® Pocket Coils
    • StableEdge™ HD
    • Targeted Gel HD Foam
    Single/Twin $533
    Twin XL In stock for fast delivery $595
    Double/Full $610
    Queen $681
    Compare at $1,599
    King $964
    Online availability icon In-Stock Only 5 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
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  • NM Cozy 12" Medium Firm Memory Foam Mattress
    BEST IN CLASS TOP RATED TRENDING
    National Mattress 12-inch medium-firm memory-foam mattress, tall white channel-quilted top, grey woven sides NM Cozy Collection Logo
    • Optimal High Resilient Bio-Foam Core
    • Gel Infused Visco Memory Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin $571
    Twin XL In stock for fast delivery $629
    Double/Full In stock for fast delivery $639
    Queen In stock for fast delivery $694
    Compare at $1,299
    King In stock for fast delivery $819
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
    M5H 2N1
  • National Mattress HD 13-inch extra-firm pillow-top foam mattress, tall black quilted sides, white diamond top NM Logo
    • Extra-Firm High Density Foam Core
    • High-Density Foam Support Layers
    • Bamboo Quilted Top
    • 25 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $416
    Twin XL In stock for fast delivery $569
    Double/Full In stock for fast delivery $578
    Queen In stock for fast delivery $695
    Compare at $1,299
    King In stock for fast delivery $906
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Sealy Posturepedic Plus 1000 Series 11.5-inch firm tight-top mattress, white-blue tufted top, light grey sides Sealy Posturepedic Plus Mattress Logo
    • CleanProtect™ Cover
    • SealyAir™ Fibres
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • SealyResponse™ HD Pocket Coils
    • StableEdge™ HD
    • PROBACK® Quilt with Targeted GelBoost™ HD Memory Foam
    Single/Twin $593
    Twin XL In stock for fast delivery $663
    Double/Full $688
    Queen In stock for fast delivery $746
    Compare at $1,799
    King $988
    Online availability icon In-Stock Only 3 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Sealy Cocoon 10-inch firm memory foam mattress, white pebbled knit top, black Cocoon side band Sealy Cocoon Memory Foam Mattress Logo
    • Premium Fabric Cover
    • Perfect Fit Memory Foam
    • Personalized Comfort Layer
    • Essential Support Foam
    • 10 Year Warranty
    Twin XL $759
    Double/Full In stock for fast delivery $689
    Queen In stock for fast delivery $779
    Compare at $2,199
    King $1,273
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Sealy Cocoon 10-inch plush memory foam mattress, white pebbled knit top, charcoal Cocoon side band Sealy Cocoon Memory Foam Mattress Logo
    • Premium Fabric Cover
    • Perfect Fit Memory Foam
    • Personalized Comfort Layer
    • Essential Support Foam
    • 10 Year Warranty
    Twin XL In stock for fast delivery $759
    Double/Full $820
    Queen In stock for fast delivery $779
    Compare at $2,199
    King $1,273
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
    M5H 2N1
  • NM® Essential 10" Memory Foam Mattress - 1 NM® Essentials collection logo
    • 3″ Gel AeroFusion® Memory Foam
    • Standard Comfort Knit Cover
    • Flex Support Foam Core
    • 10 Year Warranty
    Single/Twin $496
    Twin XL In stock for fast delivery $536
    Double/Full $677
    Queen In stock for fast delivery $797
    Compare at $1,699
    King $961
    Online availability icon In-Stock Only 7 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Sealy Posturepedic Plus 1000 Series 12.5-inch medium-firm euro-top mattress, white-blue tufted top, grey sides Sealy Posturepedic Plus Mattress Logo
    • CleanProtect™ Cover
    • SealyAir™ Fibres
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • SealyResponse™ HD Pocket Coils
    • StableEdge™ HD
    • PROBACK® Quilt with Targeted GelBoost™ HD Memory Foam
    Single/Twin $641
    Twin XL $695
    Double/Full $740
    Queen $807
    Compare at $1,899
    King $1,117
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery to M5H 2N1 on Tue, Sep 29
  • Sealy Posturepedic Plus 1000 Series 14-inch plush euro-pillow-top mattress, domed white-blue top, grey sides Sealy Posturepedic Plus Mattress Logo
    • CleanProtect™ Cover
    • SealyAir™ Fibres
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • SealyResponse™ HD Pocket Coils
    • StableEdge™ HD
    • PROBACK® Quilt with Targeted GelBoost™ HD Memory Foam
    Single/Twin $694
    Twin XL In stock for fast delivery $765
    Double/Full $808
    Queen $874
    Compare at $2,099
    King $1,190
    Online availability icon In-Stock Only 2 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 14
    Pickup available icon Only Pickup available to
    M5H 2N1

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What Makes a Mattress Adjustable Base Friendly?

An adjustable base friendly mattress is designed to flex and bend repeatedly without damaging its internal structure. Not every mattress can handle this, traditional innerspring models with rigid continuous-coil systems and thick euro-tops can crease or lose support when elevated. The best options for adjustable bases include memory foam, latex, hybrid pocket-coil, and individually wrapped pocket coil mattresses, all of which articulate smoothly at the head and foot sections.

At National Mattress, every product listed in this category has been verified as adjustable base compatible by the manufacturer. Key features to consider include mattress height (models under 14″ generally flex most easily), coil type (pocket coils move independently and bend better than connected coils), and foam density (higher-density foams maintain their shape through thousands of flex cycles). If you already own a Lifestyle adjustable base or are planning to pair your mattress with one, look for models with low motion transfer and pressure point relief to get the full benefit of zero-gravity and elevated sleeping positions.

🔄

Flex-Tested Construction

Every mattress in this collection is manufacturer-verified to bend and articulate with adjustable bases without voiding the warranty.

🎯

169 Models, 10 Brands

Choose from Beautyrest, Serta, Sealy, Tempur-Pedic, Springwall, iComfort, and more, across a range of budgets.

🍃

CertiPUR-US® Certified

All foams are independently tested for harmful chemicals, heavy metals, and low VOC emissions for healthier indoor air.

🍁

Canadian-Made

100% of our adjustable-friendly mattresses are manufactured in Canadian factories with free delivery and manufacturer warranty information available.

Frequently Asked Questions About Adjustable Base Friendly Mattresses

Which mattress types work best on an adjustable base?
Memory foam, latex, and hybrid mattresses with individually wrapped pocket coils flex best on adjustable bases. These constructions bend at the head and foot without creasing or damaging internal components. Avoid mattresses with rigid continuous-coil systems, as they resist articulation and can break down faster.
Will using an adjustable base void my mattress warranty?
No, every mattress in this category is manufacturer-approved for use with adjustable bases, so your warranty remains fully valid. Read the warranty information for the specific model you are considering. Always confirm compatibility before pairing a mattress not listed in this category with an adjustable frame.
Can I use an adjustable base friendly mattress on a regular bed frame?
Yes. Every adjustable-friendly mattress works equally well on platform beds, slatted frames, box springs, and standard foundations. Buying an adjustable-compatible model now gives you flexibility to add an adjustable base later without replacing your mattress.
What are the benefits of sleeping on an adjustable base?
Adjustable bases let you elevate your head and feet independently, which can help reduce snoring, ease acid reflux symptoms, relieve lower back pressure, and improve circulation. The zero-gravity position, head and knees slightly elevated, distributes body weight more evenly and may reduce pressure points.
How thick can a mattress be and still work on an adjustable base?
Most adjustable bases accommodate mattresses between 8″ and 14″ in height. Thinner mattresses (under 12″) generally flex more easily, while thicker models may bend less dramatically at the joints. National Mattress carries adjustable-compatible models from 4″ to 18″, all verified by the manufacturer.
Do adjustable base friendly mattresses ship free across Canada?
For current delivery availability and terms, read our delivery information. When choosing a mattress for an adjustable base, also review the sleep trial terms and price match policy.

Not Sure Which Adjustable-Friendly Mattress Is Right for You?

Our non-commissioned sleep experts can help match you with the right mattress and adjustable base combination, no sales pressure, just honest guidance.

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