King Queen Split Head Full Size King Split Head Firm Great Value Mattresses Temperature-Regulating Mattresses Serta® Mattresses and Accessories

King mattresses measure 76" × 80" — the widest standard size, giving each partner the same personal space as a twin. They're the top choice for couples who want maximum room, families who co-sleep, and larger master bedrooms. Compare every king option below by brand, feel, and price.
Double/Full mattresses measure 54" × 75" — fifteen inches wider than a twin, giving a single sleeper plenty of room to spread out. They suit teens, single adults, and smaller bedrooms or guest rooms, and work for couples who prefer a cozier fit. Compare every double/full option below by brand, feel, and price.
Firm mattresses give you the most support of our everyday comfort levels — a solid, stable surface that keeps your spine aligned instead of sinking in. Firm is the go-to for back and stomach sleepers, heavier-weight sleepers who need extra support, and anyone looking for orthopedic, back-friendly comfort; side sleepers or those who like a softer feel may prefer our medium or plush options. Choose from tight-top, foam, euro-top and hybrid builds across Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Chirofoam and our own NM line — from budget-friendly models at $59 to premium, with free delivery across Canada. • Feel: firm gives a solid, supportive surface with minimal sink-in • Best for: back and stomach sleepers, heavier-weight sleepers, and orthopedic / back-pain support • Consider softer if you sleep on your side or want more cushioning — see our medium or plush options • Constructions: tight-top (most firm beds), foam, euro-top and hybrid • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Chirofoam, Springwall & NM • Prices: from $59 (budget) to premium — our widest price range • Want the firmest feel? See our extra-firm mattresses
Great Value is where comfort meets affordability — our most budget-friendly mattresses, starting around $109. These are quality beds, not corner-cut compromises: supportive high-density foam, pocket-coil euro-tops and tight-tops, many made right here in Canada by our own NM and Springwall lines, alongside entry-price models from Sealy, Serta and Beautyrest. Whether you're furnishing a guest room, a kids' room, a rental or a first apartment — or you just don't see the point in overpaying — you'll find a comfortable, well-built mattress here for less. Every one includes a 365-night sleep trial, price-match guarantee and free delivery across Canada. • What "great value" means: our most affordable mattresses — quality builds at low prices, from $109 • Builds: high-density foam, pocket-coil euro-top and tight-top • Mostly Canadian-made value brands (NM, Springwall) plus entry models from Sealy, Serta & Beautyrest • Best for: guest rooms, kids' rooms, rentals, first apartments, or anyone who wants comfort without overpaying • Same guarantees as every mattress: 365-night sleep trial, price-match & free Canada-wide delivery • Stepping up? See our premium and luxury mattresses
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

Serta is a globally recognized mattress brand celebrated for its comfort-first designs and sleep innovations. With over 90 years of experience, Serta continues to deliver quality mattresses that Canadians can trust.

Shop 200+ mattresses from Serta, Beautyrest, Sealy, Tempur-Pedic, Springwall, and Stearns & Foster at National Mattress — available in Single/Twin through King sizes from $99 to $6,640. Choose from innerspring, euro-top, memory foam, hybrid, and latex constructions in four firmness levels from extra firm to plush. Every mattress is manufactured in Canadian factories using CertiPUR-US® certified foams and ships free across Canada with a 365-night sleep trial, price match guarantee, and manufacturer warranty coverage up to 25 years.

King Queen Split Head Full Size King Split Head Firm Great Value Mattresses Temperature-Regulating Mattresses Serta
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  • Serta Classic 10-inch firm tight-top mattress, white quilted top, navy floral sides Serta Classic Mattress Logo
    • 800 Edition Custom Support Coil System
    • 3 Zone Body Support
    • Serta® Support Foam
    • Serta® Anti-Microbial Fibre Technology
    • Serta® Best Edge® Foam Encasement
    • Designed and Made in Canada
    Single/Twin $509
    Twin XL In stock for fast delivery $553
    Double/Full $561
    Queen In stock for fast delivery $601
    Compare at $1,499
    King $758
    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, Aug 13
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  • SERTA® Perfect Day™ 12" Firm Euro Top Mattress - 1 Serta® Perfect Day™ collection logo
    • 800 Serta® StablEdge™ 3-Zone Coil System
    • Serta® Anti-Microbial Knit Cover
    • Cool Twist® Gel Memory Foam
    • Serta® Gel Support Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $551
    Twin XL In stock for fast delivery $588
    Double/Full $597
    Queen In stock for fast delivery $637
    Compare at $1,499
    King $802
    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, Aug 13
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    M5H 2N1
  • SERTA® Perfect Day™ 10" Firm Tight Top Mattress - 1 Serta® Perfect Day™ collection logo
    • 800 Serta® StablEdge™ 3-Zone Coil System
    • Serta® Anti-Microbial Knit Cover
    • Serta® PillowSoft™ Foam
    • Serta® Gel Support Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $417
    Twin XL In stock for fast delivery $460
    Double/Full $467
    Queen In stock for fast delivery $506
    Compare at $1,199
    King $653
    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, Aug 13
    Pickup available icon Only Pickup available to
    M5H 2N1

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