Sleepy's by Mattress Firm 11" King Mattress, Memory Foam Cooling Hybrid Mattress in a Box, Firm
Sleepy's by Mattress Firm 11" King Mattress, Memory Foam Cooling Hybrid Mattress in a Box, Firm
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Mattress Firm

Sleepy's by Mattress Firm 11" King Mattress, Memory Foam Cooling Hybrid Mattress in a Box, Firm

4.2 stars out of 3218 reviews
(4.2)|
3,218 ratings
Sleepy's by Mattress Firm 11" King Mattress, Memory Foam Cooling Hybrid Mattress in a Box, FirmSleepy s by Mattress Firm 11 King Mattress Memory Foam Cooling Hybrid Mattress in a Box Firm
Bed Size:King-Out of stock
Mattress Comfort Level:Firm-Out of stock

Key item features

  • Hybrid Comfort: Combines memory foam and innersprings for a balanced sleep experience, offering both comfort and support.
  • Undisturbed Sleep: Features motion isolation technology and individually wrapped pocketed coils to minimize disturbance from a sleep partner.
  • Pressure Relief: Layers of memory foam and Air-Flow Foam provide support and pressure relief for enhanced comfort.
  • Cooling Cover: A cool-to-the-touch cover helps regulate body temperature for optimal sleep throughout the night.
  • Edge Support: Foam-encased edge support creates a strong perimeter, aiding in getting in and out of bed easily.
  • Convenient Delivery: The mattress is delivered in an easy-to-unpack box, simplifying setup.
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Current price is $679.99
Price when purchased online
Out of stock

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Customer ratings & reviews

4.2 out of 5 stars
stars3,218 ratings770 reviews
How item rating is calculated
  1. 5 stars65% (2,107)
  2. 4 stars14% (456)
  3. 3 stars7% (231)
  4. 2 stars5% (157)
  5. 1 star8% (267)

Reviews summary

Pros
  • : Provides pressure point relief for back and joint pain.
  • : Offers a mix of firmness and softness for a restful night.
  • : Offers quality and features at a reasonable cost.
  • : Provides necessary support for comfortable sleep.
Neutral
  • : Provides customizable height and angle settings, but may wobble or lose stability.
  • : Can be plush, but may lack sufficient firmness for some.
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Showing 1-3 of 770 reviews

Sep 20, 2025
Lord Baelish
5 out of 5 stars review

Seller Verified Purchase

Game-Changer Mattress!

The hybrid mattress exceeded my expectations! I'm getting the best sleep I've had in years, maybe ever. I sleep so deeply that I don't want to get out of bed, and I'm even dreaming again. I wake up feeling completely rested. An outstanding purchase and absolutely worth the price!

Review from Mattressfirm.com
Helpful?4AG07PPLICN417373411208
Jan 20, 2026
Jason Ingram
5 out of 5 stars review

Seller Verified Purchase

ONLY PLACE TO BUY A BED!!!

Best place to get a mattress hands down. My Sales person Jonathan Willis is exceptionally knowledgeable and was able to recommend just the right level of firmness for both myself and my wife. Not only did we get our new mattress super quick, the delivery guys were fantastic! The came in and moved my old mattress, brought in the new one, all the while keeping my floors clean with their shoe protectors on. Very friendly and quick to do the job and make sure I was satisfied. WAY TO GO MATTRESS FIRM!

Review from Mattressfirm.com
Helpful?4AG07PPLICN417373411208
Sep 18, 2025
Rhonda Ray
5 out of 5 stars review

Seller Verified Purchase

Hybrid Clearance 13"

It wasn't what I expected. It's only soft on one side. It's not as comfortable as I was expecting because I can feel the springs. I still give it a 5 stars because I feel like I got a good deal and It replaced my old mattress. And this was my first online purchase. I recommend doing business with this company. The last bed I bought from them was in the store so you know I was on every mattress to get the correct feel . It's a different situation online. Thank you Mattress Firm for making my online purchase a smooth and simple process with several ways of purchasing.

Review from Mattressfirm.com
Helpful?4AG07PPLICN417373411208