Enter code NIGHTOWL ➡️ Enjoy up to 20% off select upgrades

Preview text: Mattress Firm 96 Firm, plush or in-between—we have beds for every comfort preference

Monday, Jun 15, 2026 at 9:12 PM EasternMailchimp

Mattress FirmEnter code NIGHTOWL ➡️ Enjoy up to 20% off select upgrades

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Subject: Enter code NIGHTOWL ➡️ Enjoy up to 20% off select upgrades
Preview text: Mattress Firm 96 Firm, plush or in-between—we have beds for every comfort preference
From: mattressfirm@email.mattressfirm.com
Brand: Mattress Firm
ESP: Mailchimp
Sent: Mon Jun 15, 2026, 9:12 PM ET
Size: 128 KB
Images: 35
Links: 61, 15 of them buttons
Subject length: 57 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 57 characters; its average is 62.

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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: Enter code NIGHTOWL ➡️ Enjoy up to 20% off select upgrades
Date: Mon, 15 Jun 2026 19:12:23 -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

from mta2.email.mattressfirm.com [68.232.192.118] by our receiving server with ESMTPS
by mta2.email.mattressfirm.com

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

	Jun 20, 2026 7:10 AM	We’re giving you up to 60% off select beds—recharge your sleep! 🔋
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	Jun 15, 2026 9:12 PM	Enter code NIGHTOWL ➡️ Enjoy up to 20% off select upgrades (this email)
	Jun 14, 2026 7:16 AM	Better zzz’s on your mind? Take up to 60% off select beds now.
	Jun 13, 2026 7:03 AM	That's right: up to 60% off select beds! The 72 Hour Sale is here.
	Jun 12, 2026 7:21 AM	Our July 4th Sale is on 🎇 Save up to $700 on select beds for quality zzz's