10% OFF: Our Spring Flash Sale is Live

Preview text: Subscriber exclusive access inside - 4 days only to shop our most-wanted items

Sleep DoctorThursday, Apr 16, 2026 at 3:30 AM EasternKlaviyo
Sleep Doctor10% OFF: Our Spring Flash Sale is Live
Subject
10% OFF: Our Spring Flash Sale is Live
Preview text
Subscriber exclusive access inside - 4 days only to shop our most-wanted items
From
newsletter@sleepdoctor.com
Sent
Thu Apr 16, 2026, 3:30 AM ET
Sent to
singularsleep.com, sleepdoctor.com
Size
86 KB
Images
16
Links
36, 15 of them buttons
Subject length
38 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 38 characters; its average is 37.

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From
Sleep Doctor <[email protected]>
Subject
10% OFF: Our Spring Flash Sale is Live
Date
Thu, 16 Apr 2026 07:30:20 +0000 (UTC)
Message-ID domain
geopod-ismtpd-104
Return-Path domain
email.sleepdoctor.com
DKIM signature
d=sleepdoctor.com s=kl2
List-Unsubscribe
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  1. from o1281.shared.klaviyomail.com [167.89.72.23] by our receiving server with ESMTPS
  2. by recvd-…-gllxw with SMTP
  3. from (unnamed) by geopod-ismtpd-104 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

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