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- Subject
- See something you like?
- Preview text
- Stock is running low - start checkout while you can...
- From
- newsletter@
sleepdoctor.com - Brand
- Sleep Doctor
- ESP
- Klaviyo
- Sent
- Tue Apr 14, 2026, 3:04 PM ET
- Sent to
- singularsleep.com, sleepdoctor.com
- Size
- 64 KB
- Images
- 9
- Links
- 24, 9 of them buttons
- Subject length
- 23 characters
Against Sleep Doctor's usual
Sent in the 3 PM hour, which holds 4% of its emails; 23% arrive in the 9 AM hour. The subject is 23 characters; its average is 37.
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
- Sleep Doctor <[email protected]>
- Subject
- See something you like?
- Date
- Wed, 29 Apr 2026 09:47:35 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-68
- Return-Path domain
- email.sleepdoctor.com
- DKIM signature
- d=sleepdoctor.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from o1384.shared.klaviyomail.com [149.72.156.203] by our receiving server with ESMTPS
- by recvd-…-r4zww with SMTP
- from (unnamed) by geopod-ismtpd-68 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Apr 19, 2026 3:30 AM | Why your allergies are ruining your sleep | |
| Apr 16, 2026 3:30 AM | 10% OFF: Our Spring Flash Sale is Live | |
| Apr 15, 2026 3:30 AM | Reset your rest: Your 3-step guide to better sleep | |
| Apr 14, 2026 3:04 PM | See something you like? (this email) | |
| Apr 13, 2026 3:30 AM | Which PAP machine is actually right for you? | |
| Apr 12, 2026 10:01 AM | Why you’re waking up with stiff muscles | |
| Apr 9, 2026 3:30 AM | Better sleep is already within reach |
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