Sleep Cool This Summer

Preview text: Experience cooler, deeper sleep with these luxurious mattresses

Mattress WarehouseWednesday, Jun 24, 2026 at 8:02 AM EasternKlaviyo
Mattress WarehouseSleep Cool This Summer
Subject
Sleep Cool This Summer
Preview text
Experience cooler, deeper sleep with these luxurious mattresses
From
info@sleep.mattresswarehouse.com
Sent
Wed Jun 24, 2026, 8:02 AM ET
Sent to
mattresswarehouse.com
Size
78 KB
Images
33
Links
33, 2 of them buttons
Subject length
22 characters

Against Mattress Warehouse's usual

Sent in its busiest hour, 8 AM, which holds 58% of its emails. The subject is 22 characters; its average is 36.

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 Warehouse <[email protected]>
Subject
Sleep Cool This Summer
Date
Wed, 24 Jun 2026 12:02:03 +0000 (UTC)
Message-ID domain
geopod-ismtpd-56
Return-Path domain
sleep.mattresswarehouse.com
DKIM signature
d=mattresswarehouse.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1332.shared.klaviyomail.com [167.89.102.202] by our receiving server with ESMTPS
  2. by recvd-…-4jp78 with SMTP
  3. from (unnamed) by geopod-ismtpd-56 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

Report this email

Sent just before and after

Jun 27, 2026 8:01 AMUp to 70% OFF Warehouse-Wide
Jun 26, 2026 8:01 AM️ All-Night Cooling. One-Of-A-Kind Comfort. Up to 10° Cooler.
Jun 25, 2026 9:04 AMProven Better Sleep Starts Here
Jun 24, 2026 8:02 AMSleep Cool This Summer (this email)
Jun 23, 2026 8:01 AMSave Up to $1,000 on Adjustable Sets
Jun 22, 2026 8:01 AMIt’s Here! Up to 70% OFF Warehouse-Wide
Jun 21, 2026 8:02 AMMornings Don't Have to Hurt

More from Mattress Warehouse

All Mattress Warehouse emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Jun 24, 2026.

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.