King Size Sleep Number

King Size Sleep Number mattresses offer a spacious and customizable sleep solution for those seeking personalized comfort. Perfect for couples or anyone who enjoys extra room to stretch out, these king size options provide the ideal blend of luxury and support. Explore a variety of choices designed to suit your unique sleep preferences and create the restful retreat you deserve with a King Size Sleep Number mattress.

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Basic Adjustable Base

Sleepy's Basic Adjustable Base

Starting at

FREE with select mattress purchase³.

Basic Memory Foam Firm Mattress

Sleepy's Basic Memory Foam Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Support
Temperature

TEMPUR-Adapt 1.0 11" Medium Mattress

Tempur-Pedic TEMPUR-Adapt 1.0 11" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Allergies
Bed Partner
Temperature

TEMPUR-Ergo Smart Adjustable Base

Tempur-Pedic TEMPUR-Ergo Smart Adjustable Base

Starting at

Calm app 3-month free trial with mattress purchase & registration

Premier 13" Medium Memory Foam Mattress

Nectar Premier 13" Medium Memory Foam Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

TEMPUR-ProAdapt 12" Medium Mattress

Tempur-Pedic TEMPUR-ProAdapt 12" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

TEMPUR-Adapt 11" Medium Mattress

Tempur-Pedic TEMPUR-Adapt 11" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

TEMPUR-Adapt 11" Medium Hybrid Mattress

Tempur-Pedic TEMPUR-Adapt 11" Medium Hybrid Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

TEMPUR-Adapt 1.0 11" Medium Hybrid Mattress

Tempur-Pedic TEMPUR-Adapt 1.0 11" Medium Hybrid Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Allergies
Bed Partner
Temperature

TEMPUR-ProAdapt 1.0 12" Firm Mattress

Tempur-Pedic TEMPUR-ProAdapt 1.0 12" Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Temperature
Pain
Allergies

TEMPUR-ProAdapt 1.0 12" Medium Mattress

Tempur-Pedic TEMPUR-ProAdapt 1.0 12" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature
Pain
Allergies

TEMPUR-LuxeAdapt 1.0 13" Firm Mattress

Tempur-Pedic TEMPUR-LuxeAdapt 1.0 13" Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Temperature
Pain
Bed Partner

PressureSmart 2.0 Lux Firm Pillow Top 16.25" Mattress

Beautyrest PressureSmart 2.0 Lux Firm Pillow Top 16.25" Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Temperature
Bed Partner

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

Hybrid Clearance 14" Plush Mattress

Sleepy's Hybrid Clearance 14" Plush Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Temperature
Toss and Turn

Posturepedic Elite Brenham II 15" Medium Mattress

Sealy Posturepedic Elite Brenham II 15" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Allergies

Receive $200 Instant Gift⁴ with purchase.

Black Hybrid Series One 12.5" Firm Mattress

Beautyrest Black Hybrid Series One 12.5" Firm Mattress

Starting at

Firm Comfort,

Pain
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Posturepedic Plus Hybrid Norman II 13" Medium Mattress

Sealy Posturepedic Plus Hybrid Norman II 13" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Allergies

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

Posturepedic Plus Norman II 15" Medium Euro Top Mattress

Sealy Posturepedic Plus Norman II 15" Medium Euro Top Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Allergies

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

Posturepedic Pro Lacey II 14" Medium Mattress

Sealy Posturepedic Pro Lacey II 14" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Allergies

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

Ashley Peak 2.0 8" Hybrid Mattress

Sierra Sleep Ashley Peak 2.0 8" Hybrid Mattress

Starting at

Medium Comfort, best for

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

Signature Total Defense Mattress Protector

Sleepy's Signature Total Defense Mattress Protector

Starting at

Temperature
Allergies

Save $100 when you bundle¹⁰. Use Code: SIGNATURE

Basic Innerspring Firm Mattress

Sleepy's Basic Innerspring Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain

By Sealy Medium Euro Top Mattress

Sleepy's By Sealy Medium Euro Top Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Bed Partner

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

iSeries 2.0 Hybrid 3000 13.5" Medium Mattress

Serta iSeries 2.0 Hybrid 3000 13.5" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature
Bed Partner
Pain

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

Elite Adjustable Base

Sleepy's Elite Adjustable Base

Starting at

Save up to 499 with qualifying mattress purchase. Code: ELEVATE

By Sealy Slumber Cushion Firm Mattress

Sleepy's By Sealy Slumber Cushion Firm Mattress

Starting at

Medium Comfort, best for

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

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

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Deluxe Comfort Cool Mattress Protector

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Basic Box Spring Foundation

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Starting at

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