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King Mattresses

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Tap to changeDream Relax Firm King Mattress
Tap to changeDream Relax Medium King Mattress
Tap to changeBRB C-Class Plush Pillow Top King Mattress
$3,599.00
BRB C-Class Plush Pillow Top King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeBRB C-Class Medium Firm King Mattress
$3,399.00
BRB C-Class Medium Firm King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeBRX1000-IP Medium King Mattress
$1,699.00
BRX1000-IP Medium King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeDream Refresh Firm King Mattress
Tap to changeBRX1000-IP Extra Firm King Mattress
$2,099.00
BRX1000-IP Extra Firm King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeDream Relax Soft California King Mattress
Tap to changeBR800 Soft California King Mattress
$699.99
BR800 Soft California King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeBR800 Firm California King
$699.99
BR800 Firm California King
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeBRB X-Class Firm California King Mattress
$2,999.00
BRB X-Class Firm California King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeBRB X-Class Plush California King Mattress
$2,699.00
BRB X-Class Plush California King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeBRB X-Class Medium California King Mattress
$2,499.00
BRB X-Class Medium California King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeBRX1000-IP Soft King Mattress
$2,099.00
BRX1000-IP Soft King Mattress
Simmons Beautyrest
More Options Available: Mattress Size, Foundation
Tap to changeBRS900 Rest Soft King Mattress
Tap to changeBRS900 Rest Medium King Mattress
Tap to changeBRS900 Rest Firm King Mattress
Tap to changeDream Revive Soft King Mattress
Tap to changeDream Revive Medium King Mattress
Tap to changeDream Revive Firm King Mattress
Tap to changeDream Restore Soft King Mattress
Tap to changeDream Restore Medium King Mattress
Tap to changeDream Restore Firm King Mattress
Tap to changeDream-In-A-Box Simple Soft King Mattress
Tap to changeDream-In-A-Box Simple Firm King Mattress
Tap to changeDream-In-A-Box Premium Firm King Mattress
Tap to changeDream-In-A-Box Ultra Soft King Mattress
$799.99
Dream-In-A-Box Ultra Soft King Mattress
Dream-In-A-Box
More Options Available: Mattress Size, Foundation
Tap to changeDream-In-A-Box Ultra Firm King Mattress
$799.99
Dream-In-A-Box Ultra Firm King Mattress
Dream-In-A-Box
More Options Available: Mattress Size, Foundation
Tap to changeDream-In-A-Box Plus Soft King Mattress
$599.99
Dream-In-A-Box Plus Soft King Mattress
Dream-In-A-Box
More Options Available: Mattress Size, Foundation
Tap to changeDream-In-A-Box Plus Firm King Mattress
$599.99
Dream-In-A-Box Plus Firm King Mattress
Dream-In-A-Box
More Options Available: Mattress Size, Foundation
Tap to changeDream Refresh Soft California King Mattress
Tap to changeHypnos Caldey Pillow Top King Mattress
$4,699.99
Hypnos Caldey Pillow Top King Mattress
Hypnos
More Options Available: Mattress Size, Foundation
Tap to changeHypnos Landscove Plush King Mattress
$4,199.99
Hypnos Landscove Plush King Mattress
Hypnos
More Options Available: Mattress Size, Foundation
Tap to changeHypnos Carlton Euro Top Plush King Mattress
$3,699.99
Hypnos Carlton Euro Top Plush King Mattress
Hypnos
More Options Available: Mattress Size, Foundation
Tap to changeNature's Spa Como Plush King Mattress
$2,199.99
Nature's Spa Como Plush King Mattress
Nature's Spa
More Options Available: Mattress Size, Foundation
Tap to changeNature's Spa Como Euro Top King Mattress
$2,699.99
Nature's Spa Como Euro Top King Mattress
Nature's Spa
More Options Available: Mattress Size, Foundation

King Size Mattresses

When you spend one third of your life sleeping, you should probably have the most comfortable mattress ever. One that’s perfect for you. That caters to the way you sleep, the way you move, the way your body temperature fluctuates. All of these things need to be taken into consideration when looking for mattresses that are just right. The ones you can get the best night’s sleep on—over and over again.  
 

The good news? You don’t have to look any further than right here to find the king size mattresses that’ll work for you. Perfect king mattresses to fit right into any of your bedrooms, especially your master suite. Because there’s nothing better than having tons of room for both you and your partner (or just you!) to truly get the rest and relaxation you deserve. 

  

We’ve got a wide selection of mattress brands carrying king mattresses and california king mattresses, including our Dream Mattress Studio—an exclusive brand you can only find right here. And we’ve done our research to help in all the areas you need it most. Say goodbye to morning aches, tossing and turning, and night sweats when you choose a Dream mattress. You’ll also discover three levels of comfort, five levels of support and five levels of coolness, too. We make it easy to pick and choose the things that are most important to you. We also carry Simmons Beautyrest brand, so you will find the right mattress for you. 

  

Have questions? We’ve got all the answers to our frequently asked questions and more right here. Take a look! 

 

What is the size of a king mattress? 76” x 80” 

  

Three comfort levels? What are they? Of course! 1. Soft, which is cushiony comfort, without that sinking feeling, that compresses easily to the touch; 2. Medium, which is the best of soft and firm comfort and moderate sink-in; and 3. Firm, which is substantial comfort and minimal sink-in that recovers quickly from contact.   

  

Which mattress should I pick if I’m a side sleeper? Soft mattresses are generally the best choice for a side sleeper. Something that conforms to your body, while still giving you the support you need. Try a soft memory foam or pillow top mattress—we’ve got several king size options to explore. 

  

Which mattress should I pick if I’m a stomach sleeper? Firm mattresses are usually the way to go if you’re a stomach sleeper. Choose something with firm foam or dense innerspring for maximum support. Shop our king styles and get comfortable! 

  

Which mattress should I pick if I’m a back sleeper? A mixture of the two types is typically what a back sleeper needs. Some softness, some firmness, total comfort. Make sure your choice allows your back and spine to feel supported. Browse our king mattresses for back sleepers now. 

  

What are your five support levels? 1. Least Support level: minimum coils and foam layers; 2. Less Support level: additional coils and foam layers; 3. Some Support level: extra coils and foam layers; 4. More Support level: extensive coils and foam layers; 5. Most Support level: maximum coils and foam layers.  

  

And your five coolness levels? 1. Coolness level: draws heat away upon initial contact; 2. Extended Coolness level: draws heat away longer; 3. Extended Coolness+ level: draws heat away even longer; 4. Lasting Coolness level: continuously draws heat away; 5. Lasting Coolness+ level: continuously draws heat away even longer.  

  

Can I shop for a king mattress in your store? Of course! We encourage you to head to your nearest American Signature Furniture store to give our mattresses an up close and personal look. 

  

Do you have mattress accessories? Yep! Adjustable bedsbed framesbed linens & throw, pillows and more. We also have bedroom collections, so you can get the king mattress then the bed, nightstand, dresser, mirror and more to go with it. 

  

Can I get other mattress sizes here, too? Check out our twin mattressesfull mattresses and queen mattressesalong with your king mattresses. 

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