Dr Jess explains why you're waking up tired

Preview text: Two products highly recommended...

Luff Sleep

Friday, Sep 18, 2026 at 12:30 PM EasternKlaviyo

Luff SleepDr Jess explains why you're waking up tired

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Dr Jess explains why you're waking up tired - email from Luff Sleep

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

Subject: Dr Jess explains why you're waking up tired
Preview text: Two products highly recommended...
From: hello@luffsleep.co.uk
Brand: Luff Sleep
ESP: Klaviyo
Sent: Fri Sep 18, 2026, 12:30 PM ET
Sent to: fluffsleep.com, luffhealth.com, United Kingdom (luffsleep.co.uk), luffsleep.com
Size: 47 KB
Images: 15
Links: 13, 1 of them buttons
Subject length: 43 characters

Against Luff Sleep's usual

Sent in the 12 PM hour, which holds 8% of its emails; 12% arrive in the 12 AM hour. The subject is 43 characters; its average is 35.

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: Luff Sleep <[email protected]>
Subject: Dr Jess explains why you're waking up tired
Date: Fri, 18 Sep 2026 16:30:47 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.send.luffsleep.co.uk
DKIM signature: d=shared.klaviyomail.com s=def1; d=send.luffsleep.co.uk s=mtd1
List-Unsubscribe: Present, one-click

Servers it passed through, newest first

from (unnamed) by kmta-mta-green-….servers.clovesoftware.com with SMTP

Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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	Sep 18, 2026 12:30 PM	Dr Jess explains why you're waking up tired (this email)
	Sep 17, 2026 2:18 PM	Welcome to Luff: Here’s 10% off your first order
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	Aug 28, 2026 11:45 AM	Holiday plans? Here’s an extra 10% off 🎉