DEALHACK

agents@dealhack$fetch the freshest Mattress Firm codes…

Current Mattress Firm Coupons for August 2026

✓agent-verified & updated·

Today's Best Mattress Firm Coupons:

14 offers in total
DEAL

Get Free Adjustable Base With Select Mattress

Get a free adjustable base up to $499.99 value with select qualifying mattresses at Mattress Firm. Valid only on eligible models.

How we verify this code
11
code confidence
still worth a try

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

use code
35%
OFF

Save 35% Off Storewide at Mattress Firm

Take 35% off storewide at Mattress Firm with this coupon code. Special restrictions may apply.

  • community
How we verify this code
11
code confidence
still worth a try

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
20%
OFF

Extra 20% Off Select Online Exclusives

Apply this discount code to get an extra 20% off select online exclusive products at Mattress Firm.

How we verify this code
10
code confidence
still worth a try

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

use code
20%
OFF

20% Off Sitewide for New Customers

worked at checkout

Enjoy 20% off sitewide at Mattress Firm for new customers with this promo code.

  • saves ~$215.60
  • community
How we verify this code
10
code confidence
still worth a try
2 of 4
code checks worked
$215.60
median discount
20% of the cart
$1,601.00
saved in total
across every cart we have seen

The discount amount is measured on real cart totals before and after the code was applied, not taken from the advertised offer.

Code confidence is our agents' read on how likely this code is to work. It isn't a strict measure of success probability: plenty of codes score low and still work at checkout. It was last recalculated .

Shoppers here submitted this code or reported back on how it went. It gets the same checks as every other code on this page.

use code
$50
OFF

$50 Off with Email Signup

Sign up for the Mattress Firm email newsletter to get a $50 off coupon for your next purchase.

Get deal
FREE
SHIP

Free Shipping on All Orders

Mattress Firm offers free shipping on all orders, with enhanced shipping options available for an additional fee.

Get deal
20%
OFF

10-20% Off for Healthcare Workers and First Responders

Healthcare workers and first responders can get 10-20% off their orders when they verify their identity through ID.me.

Get deal
20%
OFF

10-20% Off for Military Personnel

Military personnel can get 10-20% off their orders when they verify their identity through ID.me.

Get deal

Other Mattress Firm Deals & Offers

10%
OFF

Extra 10% Off Select Mattresses

Take an extra 10% off select mattresses at Mattress Firm when you apply this promo code at checkout. Valid only on eligible mattresses; exclusions and other offer terms may apply.

use code
DEAL

$300 Instant Credit on Tempur-Pedic Mattresses

Purchase a qualifying Tempur-Pedic mattress at Mattress Firm and get a $300 instant credit toward an adjustable base when you use this promo code at checkout. Valid on eligible Tempur-Pedic models; exclusions, minimums, and other terms may apply.

use code
60%
OFF

Up to 60% Off Sale & Clearance Mattresses

Save up to 60% on select sale and clearance mattresses, best sellers, and other sleep essentials at Mattress Firm. Discounts vary by model and are reflected in the sale price while supplies last.

Get deal
$700
OFF

Save Up to $700 on Select Mattresses

Save up to $700 on select mattresses and sleep bundles during Mattress Firms best sale of the year, available online and in-store on qualifying models.

Get deal
DEAL

Any Size One Price Mattresses From $249.99

Shop select mattresses at Mattress Firm under the Any Size One Price offer, with qualifying models starting around $249.99 for any size. Featured options like Sealy Frisco mattresses are heavily discounted off regular prices for a limited time.

Get deal
15%
OFF

15% Off $449 or More, 20% Off $699 or More

expired

On qualifying Mattress Firm orders, get 15% off $449 or more and 20% off $699 or more using this code.

use code

Mattress Firm Shopping Info

Discounts

✓
Popup/Newsletter
Sign up for emails or texts to unlock exclusive offers and special sleep deals
✓
App Only
Access to customized tracking and exclusive mobile-only sleep promotions
✕
Loyalty
✓
Military, Students, Teachers, First Responders & Healthcare Workers
Up to 20% off select purchases · ID.me
✓
Price Match
Beat any advertised price by 10% or it's

Shipping & Returns

✓
Free Shipping
Threshold: Standard delivery applies or free delivery promotions vary by order value and item
✕
Intl Shipping
Ships exclusively within the United States
✕
Free Returns
Window: 120 nights · Fee: $99.99 return delivery charge plus a 20% restocking fee on returns
Final Sale
Pillows, floor models, adjustable bases, mattress protectors, and clearance items are final sale.

Payments

Cards
Visa, Mastercard, Amex, Discover
Wallets
Apple Pay, Google Pay
BNPL
Affirm, Klarna
✓
Gift Cards

Mattress Firm Coupon Verification Data: Live Cart Tests and Real Savings

Our agents add each Mattress Firm code to a real mattressfirm.com cart and try to check out, and we count what real orders and shoppers report back. Green is how many checks came back working that day. Red is how many the site would not accept, so you don't have to sit at checkout testing them yourself.

agents@dealhack: ~/signals --store mattressfirm.com --days 14
24
code checks run
21
checks where the code worked
87.5%
success rate
12
different codes tried
14 days · 24 code checks · 21 worked
workedpeak 7
would not applypeak 1
Daily coupon check results
DayCodes that workedCodes that would not applySuccess rate
10100%
20100%
00—
7188%
010%
10100%
00—
00—
1150%
00—
50100%
00—
30100%
10100%
where this data came from:
7 automated cart runs5 web search results4 Dealhack agent3 published by the store

2 of these results came from shoppers telling us whether a code worked; the rest come from automated checks and the other sources above. Last confirmed working on . Codes that stop clearing get pulled off this page automatically.

Data deep dive: how we test Mattress Firm codes

Instead of leaving you to paste codes one by one, our agents do it first. They run around the clock on a real mattressfirm.com cart, so the codes we put at the top of this page are the ones that were still working the last time anyone checked, and the dead ones are already out of your way.

A code check is one result for one code. Most are our agents applying it to a real cart and reading the order total before and after; the rest come from tracked orders and from shoppers reporting back, as broken down above. Worked means the code was accepted and the total went down. Would not apply means mattressfirm.com refused it on that cart. That is not the same as the code being fake. The usual reasons are:

  • It expired or the store switched it off after it was published.
  • It was single-use and had already been redeemed.
  • It only covers certain categories, brands or individual products.
  • The cart did not reach a minimum spend.
  • It is limited to new customers, a first order, or an email sign-up.
  • It cannot be combined with an active sale or another code.
  • It is tied to a different country, currency or membership.

So a code that failed one check can still work on your cart, and the success rate (checks that worked divided by all checks) is best read as how easily Mattress Firm discounts apply in general, not as a verdict on any single code. Hover any bar in the chart to see that day on its own.

When Mattress Firm Runs Sales

Recurring events worth timing an order around. Windows shift year to year, so treat them as a shopping calendar rather than a fixed date.

  1. late May
    Memorial Day Sale

    Features some of the deepest markdowns of the year across top mattress brands, adjustable bases, and bedding accessories with flexible financing.

  2. late August to early September
    Labor Day Sale

    Delivers major savings up to several hundred dollars off select mattress sets and free delivery offers ahead of the autumn season.

  3. mid-February
    Presidents Day Sale

    A premier winter promotion offering massive price cuts on luxury sleep systems and clearance inventory clearouts.

Before You Buy at Mattress Firm

What shoppers ask most about Mattress Firm.

›Can promotional coupon codes be stacked or combined with other offers?

Promo codes cannot be combined with any other coupon offer or free adjustable base promotions. Each sales order is limited to a single valid offer code.

›Are there specific mattress brands excluded from percentage-off discount codes?

Standard discount codes exclude major brands like Tempur-Pedic, Stearns & Foster, Serta iComfort, Beautyrest Black, Nectar, Tuft & Needle, and Purple.

›How does the low price guarantee work if I find a lower price elsewhere?

If you find the identical mattress set advertised for less, Mattress Firm will beat the competitor price by 10% or give it to you free.

›How are military and student status verified for special discounts?

Eligibility is verified online through ID.me, which issues a unique, single-use coupon code upon successful validation for checkout use.

How the Agents Verify Mattress Firm Codes

agents@dealhack: ~/verify --store mattressfirm.com
✓4 Mattress Firm promo codes tested against a live cart
✓5 total offers cleared for redemption at mattressfirm.com
✓last sweep completed
✓expired & dead codes purged automatically
The agents re-test every Mattress Firm coupon on a schedule — no human vouches for a code they didn't watch work. If one slips through expired, just grab the next on the list. We keep backups.

Mattress Firm Customer Support

Need help with your shopping? Here's what's available for Mattress Firm when an order, return, or promo code needs a human.

Phone

1-877-594-3432

Live chat

Available

Help center

www.mattressfirm.com/help.html

Customer support is accessible via live chat on the website and toll-free telephone assistance.

About Mattress Firm

Who you're buying from.

Brand Profile

Websitemattressfirm.com
Founded1986
HeadquartersHouston, USA
Parent companySomnigroup International
ReferenceWikipedia
Follow Mattress Firm for sale alerts and new arrivals

Did You Know

Founding

Mattress Firm was established on July 4, 1986, in Houston, Texas, by founding partners Steve Fendrich, Harry Roberts, and Paul Stork.

Origin Story

The founders differentiated their early stores by allowing customers to physically test out beds in-store and offering same-day delivery.

Naming

Over decades of expansion, Mattress Firm absorbed numerous regional chains like Sleepy's and Sleep America under its national brand banner.

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