Side Sleeper King Mattresses

Discover the perfect blend of comfort and support with our selection of side sleeper king mattresses, designed to enhance your sleep experience. Side sleepers often need a mattress that provides ample cushioning for shoulders and hips while maintaining proper spinal alignment. Our curated collection offers a variety of options tailored to meet these needs, ensuring restful nights and refreshed mornings. Whether you're revamping your bedroom or seeking an upgrade for better sleep quality, explore our range of side sleeper king mattresses to find the ideal fit for your lifestyle.

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Sleepy's By Sealy Medium Euro Top Mattress

3341

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 By Sealy Memory Foam Plush Mattress

2220

Starting at

$1900⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

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

Beautyrest PressureSmart 2.0 Plush Pillow Top 13.75" Mattress

2130

Starting at

$2400⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Bed Partner

Save up to 749 on a premium adjustable base with mattress purchase. Use code ELEVATE (must add base to cart)

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2400

Starting at

$800⁹⁹

$1500⁹⁹

$700 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)

Serta Perfect Sleeper Sleep Excellence Plush Mattress

653

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)

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5119

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

5119

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

1526

Starting at

$800⁹⁹

$1500⁹⁹

$700 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)

Tulo Lavender 10" Medium Plush Memory Foam Mattress

702

Starting at

$340⁹⁹

$510⁹⁹

$170 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Sleepy's By Sealy Slumber Cushion Firm Mattress

222

Starting at

$560⁹⁹

$2000⁹⁹

$1440 OFF

Medium Comfort, best for

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

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

496

Starting at

$730⁹⁹

$1460⁹⁹

$730 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Temperature

Beautyrest BR800 12" Plush Euro Top Mattress

580

Starting at

$590⁹⁹

$1400⁹⁹

$810 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)

Tulo Lavender 12" Plush Memory Foam Mattress

606

Starting at

$389⁹⁹

$590⁹⁹

$201 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Temperature

Tulo Lavender 8" Medium Memory Foam Mattress

451

Starting at

$295⁹⁹

$460⁹⁹

$165 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Beautyrest Silver BRS900 12" Plush Mattress

739

Starting at

$730⁹⁹

$1700⁹⁹

$970 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature

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

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

750

Starting at

$917⁹⁹

$1249⁰⁰

$332 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

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

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1586

Starting at

$576⁹⁹

$1200⁹⁹

$624 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Toss and Turn

Nectar Premier 13" Medium Memory Foam Mattress

137

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

665

Starting at

$879²⁰

$1099⁰⁰

$220 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

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

Serta Perfect Sleeper Nurture Night 13.5" Plush Mattress

600

Starting at

$879²⁰

$1099⁰⁰

$220 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

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

Pressuresmart MF 15" Plush Euro Top Mattress

Starting at

$2300⁹⁹

$2800⁹⁹

$500 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

Save up to 749 on a premium adjustable base with mattress purchase. Use code ELEVATE (must add base to cart)

Sealy Essentials Winter Green 12" Plush Euro Top Mattress

347

Starting at

$690⁹⁹

$1380⁹⁹

$690 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Temperature

Serta Perfect Sleeper Midsummer Nights 11" Plush Eurotop Mattress

593

Starting at

$799²⁰

$999⁰⁰

$200 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

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

Beautyrest Black Series Two 16.25" Plush Pillow Top Mattress

200

Starting at

$3599⁰⁰

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Sealy Posturepedic Plus Hybrid High Point 14" Plush Mattress

4485

Starting at

$1450⁷⁷

$2899⁰⁰

$1449 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

Tempur-Pedic TEMPUR-ProAdapt 12" Medium Mattress

2714

Starting at

$4099⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase.

Side Sleeper King Mattresses

Finding the right king mattress as a side sleeper can make all the difference in how you feel each morning. For those who drift off on their sides, the quest for comfort is all about striking the perfect balance between plushness and support. Side sleeping naturally puts more pressure on the shoulders and hips, so a mattress that gently cradles these areas is essential to prevent aches and stiffness. During the warm summer months, the right king mattress can also help you stay cool and comfortable, with breathable materials and temperature-regulating features that make it easier to fall asleep even on those balmy July nights. Whether you’re upgrading your master suite or preparing a guest room for visitors, a king-size mattress designed for side sleepers offers ample space to stretch out, turn over, and find your ideal sleep position without disturbing your partner. For couples, the extra width of a king mattress can be a game-changer, providing each sleeper with plenty of personal space and reducing motion transfer so everyone can rest undisturbed.

Choosing a king mattress for a side sleeper isn’t just about size; it’s about tailoring your sleep experience to your unique needs. If you wake up with tingling arms or sore hips, a mattress with targeted pressure relief can help you wake up refreshed and ready for the day. Many side sleepers find that a medium or medium-soft mattress is just right—soft enough to cushion the body’s curves but supportive enough to keep the spine aligned. Some mattresses also feature advanced foam layers or pocketed coils that contour to your body while offering robust edge support, so you can sit or sleep near the edge without feeling like you’ll roll off. For those who live in warmer climates or tend to sleep hot, mattresses with cooling technology—such as gel-infused memory foam or moisture-wicking covers—can make summer nights much more comfortable. A king mattress is also a thoughtful gift for newlyweds, parents celebrating an anniversary, or anyone who values the luxury of extra space and personalized comfort. If you have a taller sleeper in your household or simply want to explore more options, you might also consider a Side Sleeper Cal King Mattresses for even more legroom and versatility.

Investing in a king mattress tailored for side sleepers is more than just a purchase—it’s an investment in your well-being and daily energy. Imagine sinking into a supportive, cloud-like surface at the end of a long day, feeling the gentle embrace of a mattress that understands your sleep style. With the right king mattress, restless nights can become a thing of the past, replaced by deep, restorative sleep that leaves you feeling your best. Whether you’re furnishing your own bedroom, setting up a welcoming guest room, or searching for a memorable housewarming gift, a king mattress for side sleepers brings lasting comfort and a touch of luxury to any home. As the seasons change and life gets busier, having a mattress that supports your favorite sleep position can be a simple pleasure that makes every night a little more restful.