Medium Mattresses for Side Sleepers Compatible with Adjustable Bed Blue Mattresses Mattress Selector

Medium-firmness mattresses — often called medium-firm — sit right between plush and firm, which is why they're the most popular and versatile feel we carry. You get enough cushioning to relieve pressure with enough support to keep your spine aligned, making medium a safe choice for back sleepers, combination sleepers who change positions through the night, and couples who need a compromise between two preferences. Shop medium models from Sealy, Serta, Beautyrest, Stearns & Foster, iComfort and Tempur-Pedic across memory foam, hybrid, euro-top, pillow-top and tight-top builds — with free delivery across Canada. • Feel: medium sits between plush and firm — balanced and the most versatile of our four comfort levels • Also called "medium-firm" — the middle of the firmness scale • Best for: back sleepers, combination sleepers, couples, and most body types • Consider plush if you sleep on your side; firm if you sleep on your stomach or want more support • Constructions: euro-top, tight-top, pillow-top, memory foam and hybrid • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Springwall & NM • Prices: from $171 to premium

If you sleep on your side, the right mattress cushions your shoulders and hips so your spine stays aligned and pressure points don't wake you. That's why side sleepers do best on our plush and medium-feel mattresses — especially euro-top and pillow-top, memory foam and hybrid models that contour to your curves and relieve pressure. We carry hundreds of side-sleeper-friendly options across every brand — Sealy, Serta, Beautyrest, Tempur-Pedic, iComfort, Stearns & Foster and our own NM line — from about $171 to premium. Not sure on feel? Side sleepers usually prefer softer, balanced against how much support you like. Every mattress includes a 365-night sleep trial and free delivery across Canada. • Why it matters: side sleeping concentrates weight on your shoulders and hips — you need cushioning there • Best feel for side sleepers: plush or medium (softer surfaces contour pressure points) • Best constructions: euro-top & pillow-top, memory foam and hybrid • Helps with: shoulder and hip pressure from side sleeping • Hundreds of options across every brand, from about $171 to premium • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery


These mattresses feature a blue-accent or cool-tone cover — and since that cover sits under your sheets, colour won't change how you sleep. To find the right bed, shop by size (twin to king), comfort (plush, medium, firm), or type (memory foam, hybrid, pocket coil). Every mattress includes a 365-night sleep trial and free delivery across Canada.
Medium Mattresses for Side Sleepers Compatible with Adjustable Bed Blue Mattresses Mattress Selector

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Loading recommendations...

Mattress Size

Items

Express delivery icon
Clear all Medium Side Sleepers Compatible with Adjustable Bed Blue

Items

Medium Side Sleepers Compatible with Adjustable Bed Blue Clear all
  • SEALY® Essentials 8" Medium Firm Tight Top Foam Mattress
    LIMITED STOCK
    Sealy Essentials 8-inch medium-firm tight-top foam mattress, quilted blue-grey top, white sides, navy piping Sealy Essentials Mattress Logo
    MEDIUM
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • CertiPUR-US™ SealySupport™ HD Core
    • SealySupport™ HD Foam
    Single/Twin $298
    Twin XL In stock for fast delivery $382
    Double/Full $388
    Queen $420
    Compare at $999
    King $591
    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, Aug 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • SEALY® Essentials 11" Medium Firm Tight Top Mattress
    BEST IN CLASS TOP RATED LIMITED STOCK
    Sealy Essentials 11-inch medium-firm tight-top mattress, blue-speckled flat top, white pinstriped sides Sealy Essentials Mattress Logo
    MEDIUM
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • Posture Touch® Pocket Coils
    • EssentialEdge™ Coil Support
    Single/Twin $409
    Twin XL $423
    Double/Full $462
    Queen $505
    Compare at $1,199
    King $675
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery to M5H 2N1 on Tue, Aug 25
    View Details
  • SEALY® Essentials 10.5" Medium Firm Eurotop Foam Mattress
    BEST IN CLASS TOP RATED TRENDING
    Sealy Essentials 10.5-inch medium-firm euro-top foam mattress, blue-speckled top, white sides on black base Sealy Essentials Mattress Logo
    MEDIUM
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • CertiPUR-US™ SealySupport™ HD Core
    • SealySupport™ HD Foam
    Single/Twin $432
    Twin XL In stock for fast delivery $478
    Double/Full $486
    Queen $505
    Compare at $1,199
    King $655
    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 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • SERTA® Modern Series™ 8" Medium Firm Gel Foam Mattress
    BEST IN CLASS TOP RATED LIMITED STOCK
    Serta Modern Series 8-inch medium-firm gel foam mattress, low-profile white geometric cover, navy base Serta Modern Series Memory Foam Mattress Logo
    MEDIUM
    • 8 Inch Model with Double Layers of Comfort
    • Serta CoolWick Breathable Cover
    • PureComfort Gel Foam with PureComfort Foam Support Core
    • Designed and Built in Canada
    Single/Twin $431
    Twin XL In stock for fast delivery $445
    Double/Full $488
    Queen In stock for fast delivery $535
    Compare at $1,299
    King $653
    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 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • SERTA® Modern Series™ 10" Medium Firm Gel Foam Mattress
    TOP RATED LIMITED STOCK
    Serta Modern Series 10-inch medium-firm gel foam mattress, white geometric cover on navy fabric base Serta Modern Series Memory Foam Mattress Logo
    MEDIUM
    • 10 Inch Model with Double Layers of Comfort
    • Serta CoolWick Breathable Cover
    • PureComfort Gel Foam with PureComfort Foam Support Core
    • Designed and Built in Canada
    Single/Twin $537
    Twin XL In stock for fast delivery $553
    Double/Full $597
    Queen In stock for fast delivery $645
    Compare at $1,599
    King $765
    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 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • SERTA® Classic® 12.5" Medium Euro Top Mattress
    BEST IN CLASS TOP RATED LIMITED STOCK
    Serta Classic 12.5-inch medium euro-top mattress, blue-white ombre plush top, navy floral sides Serta Classic Mattress Logo
    MEDIUM
    • 800 Edition Custom Support Coil System
    • 3 Zone Body Support + Serta® Support Gel Foam
    • Cool Twist® Gel Memory Foam + Serta® PillowSoft® Foam
    • Serta® Anti-Microbial Fibre Technology
    • Serta® Best Edge® Foam Encasement
    • Designed and Made in Canada
    Single/Twin $657
    Twin XL In stock for fast delivery $703
    Double/Full $713
    Queen $754
    Compare at $1,799
    King $922
    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, Aug 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • SEALY® Posturepedic Plus® 1200 Series 15.5" Medium Firm Europillowtop Mattress
    BEST IN CLASS TOP RATED LIMITED STOCK
    Sealy Posturepedic Plus 1200 Series 15.5-inch medium-firm euro-pillow-top mattress, domed cream top, blue sides Sealy Posturepedic Plus Mattress Logo
    MEDIUM
    • CleanProtect™ Cover
    • Sealy AirSense™ Fibres Topped with SealyIce™ Yarn
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • Posture Grid® Coil System featuring PostureSense™ Nano Coils
    • SolidEdge™ PRO
    • PROBACK® Plus Quilt with Targeted GelSense™ HD Memory Foam
    Single/Twin $873
    Twin XL In stock for fast delivery $926
    Double/Full $988
    Queen $1,049
    Compare at $2,499
    King $1,279
    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, Aug 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • BEAUTYREST® World Class™ 12.5" Hybrid Medium-Firm Mattress
    LIMITED STOCK
    Beautyrest World Class 12.5-inch hybrid medium-firm mattress, angled view with blue chevron top and blue trim Beautyrest World Class Mattress Collection Logo
    MEDIUM
    • 1000 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Medium Gel Foam
    • World Class Relief™ HD Foam
    • InfiniCool™ Technology
    Twin XL In stock for fast delivery $1,125
    Double/Full $1,142
    Queen $1,196
    Compare at $2,899
    King $1,363
    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 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • SERTA® Perfect Comfort X™ 14" Medium Firm Euro-Top Mattress
    LIMITED STOCK
    Serta Perfect Comfort X 14-inch medium firm euro-top mattress, charcoal cover, grey feather quilt top Serta Perfect Comfort X Luxury Mattress Logo
    MEDIUM
    • 1250 Series 5 ZoneActive™ Pocket Coil System
    • Perfect Conform™ Graphite Memory Foam
    • CoolFeel Fabric™
    • QuiltLoft™ Memory Foam
    • PerfectPure™ Fibre
    • Designed and Made in Canada
    Twin XL In stock for fast delivery $1,149
    Double/Full $1,239
    Queen $1,323
    Compare at $3,199
    King $1,614
    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 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • BEAUTYREST® World Class™ 13.5" Hybrid Medium-Firm Mattress
    LIMITED STOCK
    Beautyrest World Class 13.5-inch medium-firm hybrid mattress, teal chevron tight-top, grey sides, maroon badge Beautyrest World Class Mattress Collection Logo
    MEDIUM
    • 1000 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Firm Gel Foam
    • 2X World Class Relief™ HD Foam
    • InfiniCool™ Technology
    Twin XL In stock for fast delivery $1,275
    Double/Full $1,294
    Queen In stock for fast delivery $1,351
    Compare at $3,199
    King $1,513
    Online availability icon In-Stock Only 6 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • BEAUTYREST® World Class™ 16" Pillow Top Medium-Firm Mattress
    BEST IN CLASS LIMITED STOCK
    Beautyrest World Class 16-inch medium-firm pillow-top mattress, dark quilted top, grey sides, magenta badge Beautyrest World Class Mattress Collection Logo
    MEDIUM
    • 1000 Beautyrest® Pocketed Coil Technology
    • 2X Beautyrest® ActiveResponse Memory Foam
    • SurfaceTouch™ Gel Memory Foam
    • World Class Relief™ HD Foam
    • InfiniCool™ MAX Technology
    • Beautyrest® Natural Lux Fibre Technology
    Single/Twin $1,368
    Twin XL In stock for fast delivery $1,425
    Double/Full $1,447
    Queen In stock for fast delivery $1,505
    Compare at $3,599
    King $1,678
    Online availability icon In-Stock Only 6 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details
  • SERTA® iComfort® 13" Medium Firm Memory Foam Mattress
    FLASH SALE EXCLUSIVE OFFER LIMITED STOCK
    Serta iComfort 13-inch medium firm memory foam mattress, light blue swirl-quilt top, charcoal sides Serta iComfort Logo
    MEDIUM
    • CoolFeel™ Fabric
    • 5 ZoneResponse™ Design
    • Perfect Conform™ Graphite Memory Foam
    • Deep Reaction® Max Gel Memory Foam + iComfort® Gel Memory Foam
    • CertiPUR-US® certified foams.
    • 100% Canada Assembled
    Twin XL In stock for fast delivery $1,799
    Double/Full SOLD OUT
    Queen In stock for fast delivery $1,999
    Compare at $3,099
    King $2,499
    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, Aug 6
    Pickup available icon Only Pickup available to
    M5H 2N1
    View Details

Items 1-12 of 16

Showing of products

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.
Clearance Mattresses

Clearance Mattresses

Explore our discounted mattress collection, featuring limited quantities, floor models, and more.

Shop All Clearance

Mattress Selector

See which mattress is best for you!

Try Now

Thousands in Stock

We have over 1,000 mattresses in stock.

Shop Now
Loading recommendations...