King Premium Top-Rated Mattresses Mattresses Compatible with Adjustable Bed Base | Flex‑Friendly Foam, Latex & Hybrid Springwall Mattresses
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.
Premium mattresses step up the materials, support systems, and comfort layers for a noticeably more refined sleep — without the top-tier price. They suit shoppers who want lasting quality and a more luxurious feel for their primary bedroom. Compare every premium option below by brand, type, and feel.
These are our top-rated mattresses — the highest-rated, best-reviewed beds chosen by verified customer reviews. Instead of guessing, shop the models real Canadians rate most highly for comfort, support and durability, spanning every brand and comfort level from plush to firm. Every mattress is backed by our 365-night sleep trial, price-match guarantee and manufacturer's warranty, and ships free across Canada — so a top-rated pick is an easy, low-risk choice. Browse best-reviewed models from Sealy, Serta, Beautyrest, Tempur-Pedic, Stearns & Foster and our own NM line. • What "top-rated" means: our highest-rated mattresses by verified customer reviews • Rated by real Canadians for comfort, support and durability • Spans every brand and comfort level (plush, medium, firm, extra firm) • Every order: 365-night sleep trial, price-match guarantee and manufacturer's warranty • Free delivery across Canada • Brands include Sealy, Serta, Beautyrest, Tempur-Pedic, Stearns & Foster & NM
These mattresses are built to flex with adjustable bed bases — bending smoothly at the head and foot without damage — so you can raise, recline, and find your ideal position. Compare every adjustable-base-compatible option below by brand, type, and feel.
Premium mattresses step up the materials, support systems, and comfort layers for a noticeably more refined sleep — without the top-tier price. They suit shoppers who want lasting quality and a more luxurious feel for their primary bedroom. Compare every premium option below by brand, type, and feel.
These are our top-rated mattresses — the highest-rated, best-reviewed beds chosen by verified customer reviews. Instead of guessing, shop the models real Canadians rate most highly for comfort, support and durability, spanning every brand and comfort level from plush to firm. Every mattress is backed by our 365-night sleep trial, price-match guarantee and manufacturer's warranty, and ships free across Canada — so a top-rated pick is an easy, low-risk choice. Browse best-reviewed models from Sealy, Serta, Beautyrest, Tempur-Pedic, Stearns & Foster and our own NM line. • What "top-rated" means: our highest-rated mattresses by verified customer reviews • Rated by real Canadians for comfort, support and durability • Spans every brand and comfort level (plush, medium, firm, extra firm) • Every order: 365-night sleep trial, price-match guarantee and manufacturer's warranty • Free delivery across Canada • Brands include Sealy, Serta, Beautyrest, Tempur-Pedic, Stearns & Foster & NM
These mattresses are built to flex with adjustable bed bases — bending smoothly at the head and foot without damage — so you can raise, recline, and find your ideal position. Compare every adjustable-base-compatible option below by brand, type, and feel.
Springwall is a proudly Canadian mattress manufacturer with a heritage of quality and innovation since 1949. As the only 100% Canadian-owned national mattress brand, Springwall offers trusted comfort engineered for the needs of Canadian sleepers.
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SERTA® Perfect Sleeper® 11" Plush Pillow Top Mattress - King
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SERTA® Perfect Sleeper® Premium 15" Plush Pillow Top Mattress - King
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Upgrade your sleep at National Mattress
Discover a mattress that transforms your sleep into a truly rejuvenating experience. We offer a wide variety of options to suit every sleep style and preference, ensuring a better night's sleep.
Why Choose Us?
- Variety: From plush to firm, we have options for every body type and sleep style.
- Quality: Trusted brands and top-notch materials for long-lasting comfort.
- Sleep Trials & Warranties: Enjoy peace of mind with flexible trials and warranties.
- Expert Advice: Get personalized recommendations from our sleep specialists.
Mattress Selection Includes
- Memory Foam: Contours to your body for personalized comfort and pressure relief.
- Hybrid: Combines responsive springs with foam for balanced support and comfort.
- Innerspring: Provides firm support, bounce, and cooling airflow.
- Latex: Hypoallergenic, eco-friendly, and exceptionally comfortable.
- Adjustable Beds: Customize your sleep position for optimal comfort.
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