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NM® Springwall® Adjustable Bed Base Friendly Temperature-Regulating Mattresses Compatible with Adjustable Bed Edge Support Mattresses MLILY® Mattresses and Accessories

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.
Springwall is a proudly Canadian-made brand known for chiropractic-minded support and durable, value-driven construction. 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 — 169+ models in memory foam, hybrid, latex, eurotop, and tight-top constructions from $59 to $6,640. Every mattress in this collection is manufacturer-verified to flex and articulate with an adjustable base without voiding the warranty. Available in Twin through King sizes with firmness levels from extra firm to plush, all built with CertiPUR-US® certified foams, including Canadian-made options. Free delivery is available, along with a 365-night sleep trial and 5–15 year warranty coverage.
A temperature-regulating mattress works to keep you at a comfortable, balanced temperature all night and all year — not just cooling you down, but adapting as your body and the seasons change so you don't wake up too hot or too cold. These mattresses use heat-responsive and breathable materials — phase-change covers, gel and graphite foams, Tencel and natural fibres, and airflow-promoting coils — to absorb and release warmth as needed. It's ideal if you run hot and cold, share a bed with a partner who sleeps at a different temperature, or just want consistent comfort through every season. You'll find temperature-regulating builds across every brand — Sealy, Serta, Beautyrest, iComfort, Tempur-Pedic, Chirofoam and our own NM line. Sleep hot specifically? See our cooling mattresses. Every mattress includes a 365-night sleep trial and free delivery across Canada. • What it does: holds a balanced, neutral temperature — adapts so you're not too hot or too cold • How it works: phase-change covers, gel & graphite foams, Tencel/natural fibres and breathable coil airflow • Best for: people who run hot and cold, couples with different sleep temperatures, and year-round comfort • Cooling vs regulating: cooling sleeps cold (for hot sleepers); regulating holds a steady, balanced temp • Across every brand and firmness • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery
Edge support mattresses are reinforced around the perimeter so the edge feels as solid as the middle — you can sleep right up to the side without that sinking, roll-off feeling, sit on the edge to get dressed without it caving, and use the full surface of the bed. It's a feature that matters most for couples sharing the space, anyone who sits on the edge to get in and out of bed, and heavier-weight sleepers. These are mostly our pocket-coil and hybrid mattresses with full-perimeter coils or foam-encased edges — from Springwall (Full Perimeter Comfort Pockets), Sealy, Serta, Beautyrest, iComfort, Stearns & Foster and our own NM line. Every mattress includes a 365-night sleep trial and free delivery across Canada. • What it does: a reinforced perimeter so the edge stays firm — no sinking or rolling off • Why it matters: more usable sleep surface, easier to sit on the edge and get in and out of bed • Best for: couples sharing space, anyone who sits on the edge, and heavier-weight sleepers • How it works: full-perimeter pocket coils or foam-encased edges (mostly coil & hybrid; all-foam edges are softer) • Brands: Springwall (Full Perimeter Comfort Pockets), Sealy, Serta, Beautyrest, iComfort, Stearns & Foster & NM • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery

MLILY® is a global sleep brand known for memory-foam comfort and modern hybrid design, made in the USA. From the cooling PowerCool and the pocket-coil Midnight and ChiroPro hybrids to the all-foam WellFlex and the officially licensed Manchester United collection, MLILY pairs AeroFusion™ foams with individually pocketed coils for supportive, motion-isolating sleep. Backed by warranties up to 10 years and free next-day delivery in Toronto.

NM® Springwall® Adjustable Bed Base Friendly Temperature-Regulating Mattresses Compatible with Adjustable Bed Edge Support Mattresses Mlily
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  • National Mattress HD 10-inch extra-firm flippable foam mattress, white quilted top with charcoal sides NM Logo
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    • 25 Year Warranty
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    • Double Tempered Bonnel Coil with Edge Guard
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  • National Mattress Orthopedic Classic 8-inch firm tight-top mattress, all-white quilted cover with dark piping NM Logo
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  • National Mattress 9.5-inch firm euro-top mattress, white diamond-quilted top with black quilted sides NM Logo
    • Double Tempered Bonnel Coil with Edge Guard
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    • Double Tempered Bonnel Coil with Edge Guard
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  • Springwall Comfort Pockets 10.5-inch extra-firm euro-top mattress, black grey lattice top, black quilted sides Springwall Comfort Pockets Mattress Logo
    • 884 Full Perimeter Comfort Pockets® (Pocket Coils)
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  • National Mattress 12-inch medium-firm euro-top mattress, white quilted dome top, black diamond-quilted sides NM Hi-Loft Collection Logo
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  • National Mattress HD 8-inch extra-firm foam mattress, white diamond-quilted tight-top, black quilted sides NM Logo
    • Extra-Firm High Density Foam Core
    • HD Foam Support Layer
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    • 25 Year Warranty
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  • Springwall 6-inch medium-firm tight-top foam mattress with patterned white quilted cover and charcoal sides Springwall Foam Mattress Collection Logo
    • Bio Comfort Foam Core
    • Gel Quilt Foam
    • Stretch Knit
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  • Springwall Chiro Medic 8.5-inch medium-firm euro-top mattress, white quilted top, dark sides, silver piping Springwall Chiromedic Mattress Logo
    • 700 Continuous Coil
    • Bio-Foam Comfort Foam with Gel
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How to Choose an MLILY Mattress

MLILY works in two directions at once: memory foam in several formulations, and hybrids that lay those foams over individually pocketed springs. So the first question is a simple one. Do you want the enveloping, slow-settling feel of an all-foam bed, or the lift and airflow of a hybrid, where tempered steel pocketed coils carry the load beneath the foam? All-foam beds isolate movement more completely and flex easily on an adjustable base. Hybrids breathe better, rebound faster and hold their perimeter more firmly, so they tend to suit heavier sleepers and anyone who sits on the edge of the bed to dress.

MLILY names its foams on the product, and they are worth telling apart. Gel memory foam carries a gel infusion that raises the foam's thermal mass, so the surface takes longer to reach body temperature. The infusion delays the warm-up early in the night; airflow, open-cell structure and the cover fabric do the sustained work. Cool Comfort Gel Memory Foam is MLILY's version of that idea, and on this page it is what the Sierra topper is built from. Charcoal memory foam disperses charcoal through the foam, and MLILY uses it across several of its pillows. Shredded memory foam is chopped rather than left solid, which is a pillow and topper construction. On the support side, 3-Zone Individually Pocketed Springs vary the spring response along the length of the bed: firmer through the middle, where the hips and lower back press hardest, easier at the shoulders and the feet.

🧊

Cool Comfort Gel Memory Foam

A gel infusion raises the foam's thermal mass, so the surface takes longer to reach body temperature. It saturates rather than working all night, so airflow and the cover matter more; see other cooling mattresses.

🌿

Charcoal Memory Foam

Charcoal is dispersed through the foam. Bulk activated carbon takes up odour and moisture, but at trace levels in a foam layer the effect is unquantified, so read it as a refinement rather than a substitute for a breathable build.

⚖

3-Zone Pocketed Springs

Spring response changes along the length of the bed: firmer under the hips and lower back, easier under the shoulders, a form of zoned support that suits sleepers whose hips and shoulders want different things.

💤

Extra Firm Through Plush

Comfort runs from extra firm and firm to medium and plush, so sleeping position and body weight can drive the decision.

Frequently Asked Questions About MLILY Mattresses

What is the difference between an all-foam and a hybrid MLILY mattress?
An all-foam mattress uses foam for the comfort layers and the core, so it absorbs movement thoroughly and bends easily on an adjustable base. A hybrid puts the same comfort foams over individually pocketed steel springs. The springs add lift, a firmer perimeter and more airflow through the middle of the bed, which usually means a cooler, more responsive feel and stronger support for heavier sleepers.
What is shredded memory foam, and why is it used?
Shredded memory foam is memory foam chopped into small pieces rather than kept as a solid slab. It is a pillow and topper construction, and the real benefit is that the fill can be moved around and redistributed to change the loft. Under the sustained load of a body in a mattress comfort layer it compacts and migrates into lumps instead, so it is not a way to keep a mattress loftier.
Does charcoal memory foam actually do anything?
Charcoal is dispersed through memory foam in trace amounts. Bulk activated carbon does take up moisture and odour, but a trace additive spread through a foam layer has not been shown to do so at any meaningful rate, and the claimed gain in heat conduction is unquantified. Treat it as a refinement rather than a substitute for a properly breathable build if you sleep hot.
What are 3-zone pocketed springs?
Zoning means the springs are not all the same across the mattress. In a three zone layout the middle section is built firmer, because the hips and lower back carry the most weight and sink furthest, while the shoulder and foot zones are easier so the shoulder can settle. It varies firmness by position along the bed rather than being better than a uniform surface, and each spring still moves independently within its zone.
Which firmness should I pick?
Start with sleeping position. Side sleepers generally want medium or plush, so the shoulder and hip can sink far enough for the spine to stay level. Back sleepers generally do best on medium to firm, which fills the lumbar curve without flattening it. Stomach sleepers want the firm end, and extra firm belongs there and to heavier sleepers, to stop the pelvis dropping. Then adjust for weight: heavier sleepers often want one step firmer.
Do memory foam and hybrid mattresses work with an adjustable base?
All-foam mattresses flex the most freely and are the natural partner for an adjustable base. Many hybrids articulate well too, because individually pocketed springs bend more readily than a single connected spring unit, but it depends on the model's height and edge construction. Check the specification for the mattress and the base together before you buy, and ask if the answer is not clear.

Foam or Hybrid? Talk It Through

Our non-commissioned sleep experts can weigh MLILY's foam and hybrid builds against how you sleep, what you weigh and how warm you run at night.

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