The Official Memorial Day Sale for 2026’s Best Mattresses 🇺🇸

Preview text: Your best summer of sleep starts here + don’t forget your free gift with purchase

Sunday, May 24, 2026 at 3:30 AM EasternKlaviyo

Sleep DoctorThe Official Memorial Day Sale for 2026’s Best Mattresses 🇺🇸

Fit to screenFull size

Using this email in an article? Credit: Sleep Doctor email via They Sent It, with a link to this page. Full-size image

Use this example

Subject: The Official Memorial Day Sale for 2026’s Best Mattresses 🇺🇸
Preview text: Your best summer of sleep starts here + don’t forget your free gift with purchase
From: newsletter@sleepdoctor.com
Brand: Sleep Doctor
ESP: Klaviyo
Sent: Sun May 24, 2026, 3:30 AM ET
Sent to: singularsleep.com, sleepdoctor.com
Size: 96 KB
Images: 10
Links: 27, 4 of them buttons
Subject length: 59 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 59 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 o1364.shared.klaviyomail.com [198.37.148.224] by our receiving server with ESMTPS
by recvd-…-gn924 with SMTP
from (unnamed) by geopod-ismtpd-56 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

	May 31, 2026 3:30 AM	Revealed: The top 2026 tools for better sleep
	May 28, 2026 3:30 AM	🕒 3 DAYS ONLY: Take 15% off your Home Sleep Study
	May 25, 2026 3:30 PM	Is the extra daylight masking your fatigue?
	May 24, 2026 3:30 AM	The Official Memorial Day Sale for 2026’s Best Mattresses 🇺🇸 (this email)
	May 21, 2026 1:00 PM	A Gift For Your Best Summer Sleep Yet ✈️
	May 20, 2026 3:30 AM	Vacation is for relaxing, not for earplugs
	May 18, 2026 3:30 AM	7 expert hacks for better travel sleep