Up to 60% off the best mattresses of 2026
Preview text: Which one's right for you? Take the quiz
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- Subject
- Up to 60% off the best mattresses of 2026
- Preview text
- Which one's right for you? Take the quiz
- From
- info@
send.sleepdoctor.com - Brand
- Sleep Doctor
- ESP
- Klaviyo
- Sent
- Wed Aug 5, 2026, 2:07 PM ET
- Sent to
- americansleepassociation.net, singularsleep.com, United States (sleepassociation.us), sleepdoctor.com
- Size
- 86 KB
- Images
- 14
- Links
- 32, 10 of them buttons
- Subject length
- 41 characters
Against Sleep Doctor's usual
Sent in the 2 PM hour, which holds 4% of its emails; 23% arrive in the 9 AM hour. The subject is 41 characters; its average is 37.
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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
- Sleep Doctor <[email protected]>
- Subject
- Up to 60% off the best mattresses of 2026
- Date
- Wed, 05 Aug 2026 18:07:02 +0000
- Message-ID domain
- cio151267.send.sleepdoctor.com
- Return-Path domain
- cio151267.send.sleepdoctor.com
- DKIM signature
- d=cio151267.send.sleepdoctor.com s=cio
- List-Unsubscribe
- Present, one-click
- Mailer
- Customer.io (…; +https://whatis.customeriomail.com)
Servers it passed through, newest first
- from v5122.….use4.send.mailgun.net [159.112.243.122] by our receiving server with ESMTPS
- by … with HTTP
Other sending headers (names only): X-Mailgun-Sid, X-Mailgun-Sending-Ip, X-Mailgun-Dkim, X-Mailgun-Native-Send, X-Mailgun-Track-Clicks, X-Mailgun-Track-Opens, X-Report-Abuse-To, X-Mailgun-Variables
Sent just before and after
| Aug 9, 2026 9:05 AM | Our #1 most-asked sleep question | |
| Aug 7, 2026 9:00 PM | See something you like? | |
| Aug 5, 2026 7:03 PM | See something you like? | |
| Aug 5, 2026 2:07 PM | Up to 60% off the best mattresses of 2026 (this email) | |
| Aug 5, 2026 9:02 AM | Sleep apnea in women: the missed diagnosis | |
| Aug 3, 2026 9:01 AM | 8 hours of sleep, still exhausted? | |
| Aug 2, 2026 11:11 PM | How to fix a summer sleep schedule |
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