Your code is NIGHTOWL 🌙 Unlock up to 20% off select upgrades

Preview text: Mattress Firm 96 Plus, save $50 on a Sleepy's bundle—back-to-school starts with better…

Monday, Aug 17, 2026 at 9:18 PM EasternMailchimp

Mattress FirmYour code is NIGHTOWL 🌙 Unlock up to 20% off select upgrades

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Subject: Your code is NIGHTOWL 🌙 Unlock up to 20% off select upgrades
Preview text: Mattress Firm 96 Plus, save $50 on a Sleepy's bundle—back-to-school starts with better…
From: mattressfirm@email.mattressfirm.com
Brand: Mattress Firm
ESP: Mailchimp
Sent: Mon Aug 17, 2026, 9:18 PM ET
Size: 150 KB
Images: 41
Links: 63, 15 of them buttons
Subject length: 60 characters

Against Mattress Firm's usual

Sent in the 9 PM hour, which holds 24% of its emails; 50% arrive in the 7 AM hour. The subject is 60 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: Your code is NIGHTOWL 🌙 Unlock up to 20% off select upgrades
Date: Mon, 17 Aug 2026 19:18:51 -0600
Message-ID domain: las1s04mta0060.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

	Aug 22, 2026 7:09 AM	You’re one step closer to better sleep—get up to 60% off select mattresses
	Aug 21, 2026 7:09 AM	Get a premium upgrade & save up to $700 on select Tempur-Pedic adjustable mattress sets
	Aug 19, 2026 9:15 PM	Score 🏆 You've earned an extra 15% off select beds & more
	Aug 17, 2026 9:18 PM	Your code is NIGHTOWL 🌙 Unlock up to 20% off select upgrades (this email)
	Aug 16, 2026 7:18 AM	🙌 We’re giving you up to 60% off featured beds—let’s upgrade your zzz’s
	Aug 15, 2026 7:02 AM	Enjoy up to 60% off select beds & kick back on National Relaxation Day
	Aug 13, 2026 7:16 AM	Make your space feel like home—starting with your bed