Sleep Cool This Summer
Preview text: Experience cooler, deeper sleep with these luxurious mattresses
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- Subject
- Sleep Cool This Summer
- Preview text
- Experience cooler, deeper sleep with these luxurious mattresses
- From
- info@
sleep.mattresswarehouse.com - Brand
- Mattress Warehouse
- ESP
- Klaviyo
- 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
- from o1332.shared.klaviyomail.com [167.89.102.202] by our receiving server with ESMTPS
- by recvd-…-4jp78 with SMTP
- 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
Sent just before and after
| Jun 27, 2026 8:01 AM | Up to 70% OFF Warehouse-Wide | |
| Jun 26, 2026 8:01 AM | ️ All-Night Cooling. One-Of-A-Kind Comfort. Up to 10° Cooler. | |
| Jun 25, 2026 9:04 AM | Proven Better Sleep Starts Here | |
| Jun 24, 2026 8:02 AM | Sleep Cool This Summer (this email) | |
| Jun 23, 2026 8:01 AM | Save Up to $1,000 on Adjustable Sets | |
| Jun 22, 2026 8:01 AM | It’s Here! Up to 70% OFF Warehouse-Wide | |
| Jun 21, 2026 8:02 AM | Mornings Don't Have to Hurt |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Jun 24, 2026.








