15% off ends at midnight.

Preview text: This is your sign to finally fix your sleep. (FSA/HSA cards welcome too!)

Thursday, Jun 18, 2026 at 12:00 PM EasternKlaviyo

Sleep Doctor15% off ends at midnight.

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Subject: 15% off ends at midnight.
Preview text: This is your sign to finally fix your sleep. (FSA/HSA cards welcome too!)
From: newsletter@sleepdoctor.com
Brand: Sleep Doctor
ESP: Klaviyo
Sent: Thu Jun 18, 2026, 12:00 PM ET
Sent to: singularsleep.com, United States (sleepassociation.us), sleepdoctor.com
Size: 95 KB
Images: 16
Links: 36, 16 of them buttons
Subject length: 25 characters

Against Sleep Doctor's usual

Sent in the 12 PM hour, which holds 17% of its emails; 23% arrive in the 9 AM hour. The subject is 25 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 o1331.shared.klaviyomail.com [167.89.0.134] by our receiving server with ESMTPS
by recvd-…-sjhwt with SMTP
from (unnamed) by geopod-ismtpd-1 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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