Code FLASH gets you an extra 20% off select upgrades for dreamy zzz's 😴

Preview text: Mattress Firm 96 Plus, save big on Purple & upgrade to pressure-relieving comfort

Saturday, Oct 10, 2026 at 10:05 PM EasternMailchimp

Mattress FirmCode FLASH gets you an extra 20% off select upgrades for dreamy zzz's 😴

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Using this email in an article? Credit: Mattress Firm email via They Sent It, with a link to this page. Full-size image

Use this example

Subject: Code FLASH gets you an extra 20% off select upgrades for dreamy zzz's 😴
Preview text: Mattress Firm 96 Plus, save big on Purple & upgrade to pressure-relieving comfort
From: mattressfirm@email.mattressfirm.com
Brand: Mattress Firm
ESP: Mailchimp
Sent: Sat Oct 10, 2026, 10:05 PM ET
Size: 138 KB
Images: 45
Links: 67, 9 of them buttons
Subject length: 71 characters

Against Mattress Firm's usual

Sent in the 10 PM hour, which holds 15% of its emails; 50% arrive in the 7 AM hour. The subject is 71 characters; its average is 62.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: Mattress Firm <[email protected]>
Reply-To: Mattress Firm, Inc. <…@email.mattressfirm.com>
Subject: Code FLASH gets you an extra 20% off select upgrades for dreamy zzz's 😴
Date: Sat, 10 Oct 2026 20:05:57 -0600
Message-ID domain: las1s04mta0449.xt.local
Return-Path domain: bounce.email.mattressfirm.com
DKIM signature: d=email.mattressfirm.com s=mc48; d=s4.y.mc.salesforce.com s=fbldkim4
List-Unsubscribe: Present, one-click

Other sending headers (names only): x-messageKey, X-SFMC-Stack, x-job

	Oct 12, 2026 10:09 PM	You'll love this—here's up to 25% off select beds & more 🤩
	Oct 11, 2026 10:09 PM	Take up to 25% off select beds & more for the comfort you deserve
	Oct 11, 2026 3:12 AM	🙌 Good news! Mattress shopping doesn't need to feel like a bad dream.
	Oct 10, 2026 10:05 PM	Code FLASH gets you an extra 20% off select upgrades for dreamy zzz's 😴 (this email)
	Oct 10, 2026 7:09 AM	You've earned this one 🤩 Enjoy up to 60% off qualifying beds!
	Oct 9, 2026 10:08 PM	Here's an extra 20% off select products—a token of our appreciation 🥰
	Oct 9, 2026 3:11 AM	Thanks for joining 🎁 Your extra 15% off better sleep is ready