Sleep cleaner. Sleep cooler. Sleep bamboo.

Preview text: Here’s why you’ll never go back to cotton.

Luff SleepSaturday, Sep 19, 2026 at 2:39 PM EasternKlaviyo
Luff SleepSleep cleaner. Sleep cooler. Sleep bamboo.
Subject
Sleep cleaner. Sleep cooler. Sleep bamboo.
Preview text
Here’s why you’ll never go back to cotton.
From
hello@luffsleep.co.uk
Sent
Sat Sep 19, 2026, 2:39 PM ET
Sent to
luffhealth.com
Size
54 KB
Images
10
Links
11, 5 of them buttons
Subject length
42 characters

Against Luff Sleep's usual

Sent in the 2 PM hour, which holds 11% of its emails; 12% arrive in the 12 AM hour. The subject is 42 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
Sleep cleaner. Sleep cooler. Sleep bamboo.
Date
Sat, 19 Sep 2026 18:39:37 +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

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  1. from (unnamed) by kmta-mta-blue-….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-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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Sep 20, 2026 2:40 PMTurn your bed into a hotel suite
Sep 19, 2026 2:39 PMSleep cleaner. Sleep cooler. Sleep bamboo. (this email)
Sep 18, 2026 2:37 PMThe Truth... Why Luff Exists
Sep 18, 2026 12:30 PMDr Jess explains why you're waking up tired
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