Why your allergies are ruining your sleep
Preview text: Plus, save 10% on a Home Sleep Study to find out if it's more than just seasonal…
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- Subject
- Why your allergies are ruining your sleep
- Preview text
- Plus, save 10% on a Home Sleep Study to find out if it's more than just seasonal…
- From
- newsletter@
sleepdoctor.com - Brand
- Sleep Doctor
- ESP
- Klaviyo
- Sent
- Sun Apr 19, 2026, 3:30 AM ET
- Sent to
- singularsleep.com, sleepdoctor.com
- Size
- 95 KB
- Images
- 9
- Links
- 24, 4 of them buttons
- Subject length
- 41 characters
Against Sleep Doctor's usual
Sent in the 3 AM hour, which holds 20% of its emails; 23% arrive in the 9 AM hour. The subject is 41 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
- Why your allergies are ruining your sleep
- Date
- Sun, 19 Apr 2026 07:30:09 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-53
- 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 o1281.shared.klaviyomail.com [167.89.72.23] by our receiving server with ESMTPS
- by recvd-…-nkqdj with SMTP
- from (unnamed) by geopod-ismtpd-53 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
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| Apr 19, 2026 3:30 AM | Why your allergies are ruining your sleep (this email) | |
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