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Mattress Firm Oak Lawn

Mattress Firm

Oak Lawn, IL

4.9(646 reviews)
9 active offers6 store perks
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About Mattress Firm

Mattress Firm offers a wide selection of mattresses from top brands, including Tempur-Pedic, Purple, Sealy, and Sleepy's. They provide various promotions, such as the Memorial Day Sale with up to 60% off, and offer financing options like 0% interest with equal monthly payments on qualifying purchases. Customers can enjoy free and fast delivery, a low price guarantee, and a 120-night sleep trial. All mattresses are assembled in the U.S.

Current Promotions
Last updated Oct 23, 2026

Current homepage sales include up to $700 off, a free adjustable base with select mattresses, select price-point and bundle offers, clearance mattresses up to 70% off, $300 instant gifts, and an extra 15% off qualifying purchases.

  • Black Friday Sale: Save up to $700Expires: 2026-12-08Savings vary by product and model; valid only on models indicated; product selection may vary by store.
  • Free adjustable base with select mattressesSelect mattresses.
  • Queen beds under $500Queen beds.
  • Sleepy's By Sealy Spring Luna Euro Top mattress and adjustable base bundle
  • Any size for $249.99 on select mattressesSelect mattresses.
  • Up to 70% off select clearance mattressesSelect clearance mattresses; while supplies last.
  • $300 instant gift toward a total sleep solution
  • $300 instant gift on select Purple mattressesSelect Purple mattresses.
  • Get an extra 15% offQualifying purchase; available online or in-store.
Purchase Incentives
  • 0% interest with 72 equal monthly paymentsQualifying purchases with Mattress Firm credit card; subject to credit approval. For 60- and 72-month in-store purchases, taxes and delivery fees must be paid upfront.
  • Free and fast delivery
  • Free & Fast Delivery
  • Financing & Leasing
  • Low Price Guarantee
  • 120 Night Sleep Trial
Mattress Selection

Brands

Tempur-Pedic
Purple
Sealy
Sleepy's

Ideal for

teens
growing children
adults

Technology

memory foam
hybrid
innerspring

Assortment

Box Springs & Frames
Adjustable Bed Bases
Bedding
Furniture & More

Price range

$
$$
$$$
$$$$

Estimated price positioning for this store

What Your Neighbors Say

Real Google reviews from nearby shoppers

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Average rating 4.9 · 646 reviews

Last updated Sep 13, 2026

J Green· 5★ · 2026-05-25T18:58:28.977556490Z

Mattress Firm was the perfect place to figure out what type of mattress we wanted for our new home. Thomas was excellent at guiding us toward the perfect mattress that fit both our comfort needs and our budget. He also took the time to walk us through the importance of properly maintaining a mattress, along with the various warranties that come with purchasing from Mattress Firm. At no point did the experience feel sales-driven. Instead, it felt like he genuinely wanted us to feel comfortable and confident in our purchase. I would definitely recommend this Mattress Firm location to anyone considering a new mattress. It’s a great way to ensure you find exactly what you need at the right price point.

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Sharon Wiebe· 5★ · 2026-07-14T23:25:11.416581332Z

Salesman was professional, not pushy at all. He explained the difference in products. Overall experience was great. Im confident i got the right mattress. Jimmy is an asset to your company!!

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Karen Mcmullen· 5★ · 2026-08-30T23:28:20.012127429Z

The manager, Thomas, was fantastic. He met us when we first walked in and then, with my telling him we wanted to look around, he let us look around and try different mattresses. He checked back with us multiple times to see if we needed anything. He worked with us and got us a great deal that I am sure we could not have gotten with most managers! Thank you Thomas!

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hailey martinkus· 5★ · 2026-05-16T17:41:08.918329486Z

Thomas was amazing and he helped me get exactly what I was looking for. He walked me through many different options to ensure I was getting the best mattress for me, and I couldn’t be happier with the items I ended up leaving with. The delivery process and all of the goodies they threw in made this process 100% worth it. If I could recommend anything, it would be to shop with Thomas here in Oak Lawn!!

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Cheryl Williams· 5★ · 2026-05-21T20:49:15.161368423Z

Went to Mattress Firm today for regular queen mattress and boxspring and was pleasantly surprised at the selection. Sales associate was Thomas , very nice young man and took time with me and the husband. We are happy with our purchase and can’t wait for delivery. We will return soon and until then y’all go see Thomas and get some good sleep.

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