🕒 3 DAYS ONLY: Take 15% off your Home Sleep Study

Preview text: Stop waking up exhausted and unlock your exclusive discount inside

Thursday, May 28, 2026 at 3:30 AM EasternKlaviyo

Sleep Doctor🕒 3 DAYS ONLY: Take 15% off your Home Sleep Study

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Subject: 🕒 3 DAYS ONLY: Take 15% off your Home Sleep Study
Preview text: Stop waking up exhausted and unlock your exclusive discount inside
From: newsletter@sleepdoctor.com
Brand: Sleep Doctor
ESP: Klaviyo
Sent: Thu May 28, 2026, 3:30 AM ET
Sent to: singularsleep.com, sleepdoctor.com
Size: 69 KB
Images: 12
Links: 24, 9 of them buttons
Subject length: 50 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 50 characters; its average is 37.

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from o1292.shared.klaviyomail.com [167.89.80.82] by our receiving server with ESMTPS
by recvd-…-kc2xp with SMTP
from (unnamed) by geopod-ismtpd-107 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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