DEALHACK

agents@dealhack$fetch the freshest Mattress Firm codes…

Current Mattress Firm Coupons for September 2026

✓agent-verified & updated·

Today's Best Mattress Firm Coupons:

15 offers in total
20%
OFF

Extra 20% Off Select Online Exclusives

worked at checkout

Get an extra 20% off select online exclusive products at Mattress Firm with this promo code.

  • store issued
How We Verify This Code
67
code confidence
likely to work
3 of 3
code checks worked

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 .

Mattress Firm published this code itself, on its own pages, its newsletter or a feed we take from it.

use code
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
50
code confidence
good chance it works

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
How We Verify This Code
26
code confidence
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 .

use code
20%
OFF

Get 20% Off Selected Products at Mattress Firm

worked at checkout

Receive 20% off selected products at Mattress Firm when you use this code.

  • store issued
How We Verify This Code
21
code confidence
worth a try
3 of 3
code checks worked

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 .

Mattress Firm published this code itself, on its own pages, its newsletter or a feed we take from it.

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
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
12
code confidence
still worth a try
1 of 1
code checks worked

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.

  • store issued
Offer Details

Mattress Firm published this code itself, on its own pages, its newsletter or a feed we take from it.

use code
15%
OFF

Extra 15% Off Select Mattresses

Save an extra 15% on select Mattress Firm mattresses and more with this discount code.

  • store issued
How We Verify This Code
1 of 3
code checks worked

Mattress Firm published this code itself, on its own pages, its newsletter or a feed we take from it.

use code
20%
OFF

20% Off Sleepy's by Sealy Mattresses

Save 20% on Sleepy's by Sealy Medium Outlet Hybrid 13" Twin XL Mattresses at Mattress Firm when you use this code.

  • community
How We Verify This Code
1 of 1
code checks worked

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
$200
OFF

Up to $200 Off Qualifying Purchases

Enjoy up to an extra $200 off qualifying Mattress Firm purchases with a minimum spend when you use this code.

  • community
Offer Details

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
10%
OFF

10% Off Eligible Mattress Firm Purchases

With this coupon code, you can get 10% off on eligible Mattress Firm purchases.

use code
20%
OFF

Up to 20% Off at Mattress Firm

Apply this discount code to save up to 20% on eligible Mattress Firm purchases.

  • community
How We Verify This Code
1 of 1
code checks worked

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

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 Code Checks, Day by Day

Every Mattress Firm code check from the last 14 days, plotted by the day it ran. Green is how many came back working. Red is how many mattressfirm.com would not accept. That is the checkout testing you did not have to sit through yourself.

agents@dealhack: ~/signals --store mattressfirm.com --days 14
99
code checks run
95
checks where the code worked
96%
success rate
18
different codes tried
14 days · 99 code checks · 95 worked
workedpeak 13
would not applypeak 3
Daily coupon check results
DayCodes that workedCodes that would not applySuccess rate
50100%
20100%
00—
120100%
10100%
90100%
50100%
100100%
11379%
80100%
130100%
80100%
7188%
40100%
where this data came from:
68 automated cart runs22 web search results8 published by the store1 shoppers reporting back

1 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.

What These Numbers Mean

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.

Locate the Code Box at mattressfirm.com

The agents tested the code. Entering it is the one part we leave to you. Here's exactly where the Mattress Firm promo code goes at checkout.

Follow the shopper-submitted screenshots below to spot the Mattress Firm promo box and apply your code. Miss a step and even a working code does nothing, so the agents mapped every one for you.

Mattress Firm checkout page showing the Add a promo code field and Apply button

How to find

  1. 1.Search for a mattress and add it to the cart.
  2. 2.Click 'Continue to Cart' to view your items.
  3. 3.Scroll down to the 'Order Summary' section on the right side or bottom of the page.
  4. 4.Click the button labeled 'Add a promo code' to reveal the input field.

How to use

Click the 'Add a promo code' button in the Order Summary to reveal the input field.

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 We Verify Mattress Firm Codes

Nothing goes up here on trust. A Mattress Firm code is collected, applied to a real mattressfirm.com cart, dated the last time it took money off an order, scored on what came back, and pulled once it stops clearing. Promotions have no code to run through a checkout, so those are dated when they go live and dropped when they lapse. Here is how far that has got on this page, and every change the agents logged along the way.

agents@dealhack: ~/verify --store mattressfirm.com --log
collect15 Mattress Firm offers listed here: 11 codes you paste at checkout, 4 promotions that need none · 1 free shipping offer · 4 sent in by shoppers
test11 codes put through a live mattressfirm.com cart · last run
confirm6 of 11 codes took money off an order in the last 7 days · most recently
score5 codes rated on how likely they are to work · last recalculated
measure1 code with a discount measured on real carts · $1,601 taken off in total
prune1 offer expires within the month · expired offers and dead codes drop off automatically

Recent Mattress Firm offer activity

Each entry is a change the agents logged on this page, dated to the day it happened.

  1. 10 codes rescored on fresh results

    55 signals read · odds of working recalculated

  2. 2 codes retested at checkout

    applied to a live mattressfirm.com cart

  3. Code rescored on fresh results

    50/100 code confidence · 27 signals

  4. 2 codes worked on live mattressfirm.com carts

    each one took a discount off a real order

  5. 20% off code worked on a live mattressfirm.com cart

    1 of 1 check worked · 3 signals

  6. New 20% off code added

    sent in by a shopper · 1 of 1 check worked · 3 signals

  7. New $200 off code added

    sent in by a shopper · 2 signals

The agents keep retesting every Mattress Firm code on this page. No one here vouches for a code they did not watch work. If one slips through expired, take the next on the list. We keep backups.

Help Other Mattress Firm Shoppers

Not every Mattress Firm code reaches us from the store. 4 codes on this page were first submitted by shoppers. They have also sent back 1 checkout result in the last 14 days, telling us whether that code worked on a real cart. Wherever a code comes from, it still has to pass the same cart test before it goes up here.

3 days
since a code sent in by a shopper last took money off a real mattressfirm.com cart
36%
of the Mattress Firm codes on this page came from shoppers

Have a code we missed?

Send it over and the agents will run it through a real mattressfirm.com cart. If it works, it lands here with the test behind it.

Did a code work for you?

Open any Mattress Firm code above and tell us whether it worked. It takes one tap, no sign-up, and a code that keeps failing gets pulled off the page.

Rate a code

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.

Stores Like Mattress Firm: Today's Best Coupons

These 12 stores sell products similar to Mattress Firm. Below you can see the best coupon or deal available at each one today, so you can compare prices before you buy. All of them have a promo code you can copy at checkout.

BBQ Guys$500 off

Up to $500 Off Delta Heat Grills

Apply this coupon code to save up to $500 on Delta Heat Grills & Items at BBQGuys.

  • saves ~$500.00
  • community
Get Code
Dreo15% off

Take 15% Off Eligible Items at Dreo

Shop eligible full-price items sitewide at Dreo and save 15% with this promo code.

  • store issued
Get Code
SelectBlinds50% off

Enjoy 50% Off Sitewide at SelectBlinds

Get 50% off your purchase sitewide at SelectBlinds when you use this code.

  • store issued
Get Code
THXSILK15% off

15% Off Orders $450+ at Thxsilk

Use this promo code to save 15% on Thxsilk storewide orders of $450 or more.

  • store issued
Get Code
Blindsgalore50% off

50% Off Storewide at Blindsgalore

Apply this discount code to save 50% on your entire Blindsgalore order.

  • saves ~$41.63
  • community
Get Code
Aquasana$5 off

Take $5 Off Sitewide at Aquasana

Save $5 on sitewide Aquasana purchases with this coupon code.

  • saves ~$5.00
Get Code
Printique20% off

Take 20% Off at Printique

Enjoy 20% off on eligible Printique purchases when you use this discount code.

  • saves ~$4.50
  • sitewide
Get Code
Coop Sleep Goods$5 off

Get $5 Off at Coop Sleep Goods

Take $5 off eligible purchases at Coop Sleep Goods with this promo code.

  • community
Get Code
Lighting New York50% off

Save 50% Off Your Order at Lighting New York

Take 50% off eligible purchases at Lighting New York with this coupon code.

  • sitewide
  • store issued
Get Code
Puffy$1,350 off

Get $1350 Off Sitewide at Puffy

Take $1350 off sitewide at Puffy with this discount code.

  • saves ~$2,233.28
  • sitewide
Get Code
Aosom12% off

Up to 12% Off at Aosom

Get up to 12% off on eligible Aosom purchases with this promo code.

  • saves ~$15.84
  • community
Get Code
Samplize20% off

Get 20% Off Orders $45+ at Samplize

Enjoy 20% off Samplize orders of $45 or more when you apply this discount code.

  • store issued
Get Code

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