Size of King

Experience the spacious comfort that comes with the Size of King. Perfect for those who value extra room to stretch out or share, king size mattresses offer an ideal solution for restful nights and luxurious relaxation. Explore a wide selection designed to complement any bedroom style while providing the generous dimensions you need for a truly comfortable sleep environment. Discover how upgrading to the Size of King can transform your nightly routine into a haven of relaxation and space.

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Sleepy's Basic Adjustable Base

Starting at

$500⁹⁹

FREE with select mattress purchase³.

Sleepy's By Sealy Memory Foam Medium Mattress

2977

Starting at

$470⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Toss and Turn;Temperature
Bed Partner
Toss and Turn

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1450⁹⁹

$2200⁹⁹

$750 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Bed Partner;Pain;Toss and Turn;Toss and Turn
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Sleepy's Basic Innerspring Firm Mattress

8308

Starting at

$300⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Bed Partner;Allergies;Toss and Turn

Sleepy's Signature Gel Memory Foam Pillow

1642

Starting at

$130⁹⁹

Firm Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn

Save $100 when you bundle¹⁰. Use Code: SIGNATURE

Sleepy's By Sealy Medium Euro Top Mattress

3666

Starting at

$600⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Pain;Temperature;Toss and Turn;Toss and Turn
Temperature
Bed Partner

Queen mattress & base now $499 with code ELEVATE (must add base to cart)

Sleepy's Deluxe Charcoal Cool Pillow

1843

Starting at

$200⁹⁹

Soft Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Allergies

Save $150 when you bundle¹⁰. Use Code: DELUXE

Tempur-Pedic TEMPUR-Protect Breeze Mattress Protector

739

Starting at

$309⁰⁰

Sleepy's Heavy Duty Raised Metal Platform Frame

928

Starting at

$220⁹⁹

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2564

Starting at

$800⁹⁹

$1500⁹⁹

$700 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3046

Starting at

$710⁹⁹

$1700⁹⁹

$990 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 11.25" Firm Mattress

2057

Starting at

$615⁹⁹

$1300⁹⁹

$685 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Sealy Essentials Sudley 8.5" Firm Mattress

961

Starting at

$1000⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Temperature;Bed Partner;Toss and Turn

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5265

Starting at

$338⁹⁹

$890⁹⁹

$552 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Allergies;Toss and Turn
Pain
Temperature

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5265

Starting at

$387⁹⁹

$1020⁹⁹

$633 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner;Pain;Temperature;Toss and Turn
Pain
Temperature

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1715

Starting at

$800⁹⁹

$1500⁹⁹

$700 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1637

Starting at

$855⁹⁹

$2000⁹⁹

$1145 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Tulo Lavender 10" Medium Plush Memory Foam Mattress

721

Starting at

$510⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Allergies;Toss and Turn
Pain
Temperature

Bedgear Dri-Tec Mattress Protector

124

Starting at

$180⁹⁹

Pain;Bed Partner;Temperature;Allergies;Toss and Turn
Temperature

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5265

Starting at

$293⁹⁹

$810⁹⁹

$517 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Pain
Temperature

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1614

Starting at

$800⁹⁹

$1000⁹⁹

$200 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Allergies;Bed Partner;Temperature;Pain;Toss and Turn;Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Purple Original Mattress

29991

Starting at

$1999⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Temperature
Allergies

Beautyrest BR800 12" Plush Euro Top Mattress

645

Starting at

$570⁹⁹

$1400⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

Stearns & Foster Lux Estate Elite 16" Medium Euro Pillow Top Mattress

795

Starting at

$4599⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase.

Bedgear StretchWick Mattress Protector

104

Starting at

$120⁹⁹

Temperature;Pain;Bed Partner;Allergies;Toss and Turn
Temperature

Tulo Lavender 6" Firm Memory Foam Mattress

214

Starting at

$400⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Bed Partner;Allergies;Toss and Turn
Pain
Temperature

Size of King

A king-size mattress, measuring a generous 76 inches wide by 80 inches long, has become the gold standard for those seeking both comfort and space in their bedroom sanctuary. This size is particularly popular among couples who value the luxury of extra room to stretch out, or for families who often find little ones or pets joining them for a cozy morning snuggle. The king’s expansive width—16 inches wider than a queen—transforms the bed into a haven where everyone can find their own comfortable spot without feeling crowded. For those who cherish their personal space, or simply want to avoid the nightly tug-of-war over blankets, the king size is a game-changer. The arrival of autumn, with its crisp evenings and cooler nights, makes the king-size bed even more inviting, offering ample space to pile on plush blankets and thick comforters, or to curl up with a good book and a hot drink as the leaves turn outside your window.

Beyond the standard king, shoppers may also encounter variations such as the California King, which measures 72 inches wide by 84 inches long, providing extra legroom for taller individuals while sacrificing a bit of width. Even larger options like the Wyoming King or Alaskan King exist for those with especially spacious bedrooms or unique needs. When selecting the right size, consider the dimensions of your room, the number of sleepers, and your preferred sleeping positions. A king mattress can be a thoughtful gift for newlyweds setting up their first home, parents upgrading their master suite, or anyone who prioritizes restful, undisturbed sleep. It’s also an excellent choice for guest rooms, ensuring that visitors feel pampered and well-rested. For those who crave an elevated sleep experience, exploring deeper mattresses—such as those in the King 16 Inch Mattresses collection—can add an extra layer of plushness and support, making every night feel like a stay in a luxury hotel.

Choosing a king-size bed is about more than just the mattress; it’s about creating a space that reflects your lifestyle and enhances your well-being. The ample surface area allows for creative layering with bedding, decorative pillows, and throws, making it easy to update your bedroom style with the changing seasons. In October, as daylight fades earlier and the air turns brisk, the king-size bed becomes the centerpiece of relaxation—a place to unwind after a long day, watch a favorite show, or share stories with loved ones. Whether you’re outfitting a grand master suite or simply seeking the best night’s sleep, the king-size mattress offers unmatched comfort, versatility, and the promise of sweet dreams.