Restful Sleep King Mattresses

Discover the perfect blend of comfort and support with our selection of restful sleep king mattresses, designed to elevate your nighttime experience. Whether you're seeking a plush surface or a firmer feel, our range caters to every preference, ensuring you find the ideal match for your sleep style. Enhance your bedroom oasis with a king mattress that not only promises ample space but also prioritizes your rest and relaxation. Explore our collection and invest in quality sleep that rejuvenates and restores night after night.

Sort & Filter

Sleepy's By Sealy Memory Foam Medium Mattress

2625

Starting at

$470⁹⁹

Medium Comfort, best for

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

Sleepy's Basic Innerspring Firm Mattress

7995

Starting at

$250⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

4777

Starting at

$1350⁹⁹

$2050⁹⁹

$700 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner

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

Sleepy's By Sealy Medium Euro Top Mattress

3278

Starting at

$800⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Bed Partner

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

Sleepy's Basic Hybrid Mattress

1473

Starting at

$600⁹⁹

Medium Comfort, best for

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

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

Sleepy's By Sealy Memory Foam Plush Mattress

2179

Starting at

$532⁹⁹

$1900⁹⁹

$1368 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

72 hour sale ends Monday!

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2302

Starting at

$550⁹⁹

$1500⁹⁹

$950 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Toss and Turn
Pain

72 hour sale ends Monday!

Sleepy's Rest Medium Innerspring Mattress

6375

Starting at

$450⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain

Sleepy's Rest Firm 2.0 Innerspring Mattress

6375

Starting at

$450⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Sleepy's Basic Foam Mattress

1248

Starting at

$200⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Bed Partner

Beautyrest Greenwood 10.5" Firm Mattress

3153

Starting at

$1300⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Toss and Turn

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

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1134

Starting at

$1300⁹⁹

$2000⁹⁹

$700 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Toss and Turn
Pain

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

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2355

Starting at

$672⁹⁹

$1500⁹⁹

$828 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
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

2608

Starting at

$710⁹⁹

$1700⁹⁹

$990 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

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

Beautyrest BR800 11.25" Firm Mattress

1632

Starting at

$615⁹⁹

$1300⁹⁹

$685 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn
Pain
Bed Partner

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

Beautyrest BR800 12" Medium Mattress

2820

Starting at

$559⁹⁹

$1300⁹⁹

$741 OFF

Medium Comfort, best for

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

72 hour sale ends Monday!

Stearns & Foster Estate 14.5" Firm Mattress

955

Starting at

$2799⁰⁰

$2999⁰⁰

$200 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Sleep Excellence Plush Mattress

613

Starting at

$1700⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
Toss and Turn
Pain

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

Sealy Essentials Sudley 8.5" Firm Mattress

910

Starting at

$400⁹⁹

$1000⁹⁹

$600 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5092

Starting at

$338⁹⁹

$890⁹⁹

$552 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5092

Starting at

$387⁹⁹

$1020⁹⁹

$633 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1498

Starting at

$672⁹⁹

$1500⁹⁹

$828 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
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

1435

Starting at

$855⁹⁹

$2000⁹⁹

$1145 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
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

697

Starting at

$340⁹⁹

$510⁹⁹

$170 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5092

Starting at

$293⁹⁹

$810⁹⁹

$517 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1392

Starting at

$800⁹⁹

$1000⁹⁹

$200 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner
Pain
Temperature

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

Restful Sleep King Mattresses

A king mattress from the Restful Sleep collection is more than just a place to lay your head at night—it’s a sanctuary designed for deep, restorative sleep and ultimate comfort. For couples, a king-sized mattress offers the generous space needed to stretch out without disturbing one another, making it a perfect choice for those who value both closeness and personal space. Families often find the king bed becomes the heart of the bedroom, a soft landing spot for weekend mornings when children or pets pile in for a few extra minutes of togetherness. The expansive surface area is also ideal for those who enjoy reading, watching TV, or simply unwinding after a long day. As the days grow warmer in June and the sunlight lingers into the evening, a king mattress with cooling features can help regulate temperature, ensuring you remain comfortable through the night even as summer heat settles in. The right king mattress can transform your sleep routine, cradling your body with the support you need while providing a luxurious sense of space that makes bedtime something to look forward to.

When considering a Restful Sleep king mattress, it’s important to think about how your sleep habits and lifestyle will be complemented by the mattress’s features. Side sleepers may appreciate plush comfort layers that cushion shoulders and hips, while back or stomach sleepers might look for firmer support to maintain spinal alignment. Motion isolation is a valuable feature for light sleepers who share the bed, ensuring that movement on one side doesn’t ripple across the surface. Those who experience allergies or sensitivities may benefit from mattresses designed with hypoallergenic materials, creating a cleaner, healthier sleep environment. King mattresses are also a thoughtful gift for newlyweds setting up their first home or for parents celebrating a milestone anniversary, symbolizing comfort, luxury, and the promise of restful nights ahead. For guest rooms that see frequent visitors, a king mattress can make guests feel truly pampered, offering them the same high-quality sleep experience you enjoy every night. If you’re furnishing a spacious master suite or upgrading from a smaller size, a king mattress delivers both presence and performance, making your bedroom feel like a true retreat.

Selecting the right king mattress is an investment in your overall well-being, supporting not just your nightly rest but your daily energy and mood. As you explore the Restful Sleep collection, consider how each mattress’s unique construction and materials will interact with your body’s needs and your bedroom environment. Whether you’re seeking pressure relief, cooling technology, or robust edge support, the right choice can make all the difference in your sleep quality. If you’re also considering options for other rooms or for family members who prefer a more compact sleep surface, you might want to explore our Queen Restful Sleep Mattresses as well. No matter which size you choose, prioritizing restful sleep with a mattress tailored to your needs can help you greet each new day feeling refreshed and ready for whatever lies ahead.