Sleep isn’t a luxury. It’s your life support system.

Preview text: Energy, memory, immunity, focus, skin — it all starts with sleep.

Luff SleepFriday, Sep 25, 2026 at 2:42 PM EasternKlaviyo
Luff SleepSleep isn’t a luxury. It’s your life support system.
Subject
Sleep isn’t a luxury. It’s your life support system.
Preview text
Energy, memory, immunity, focus, skin — it all starts with sleep.
From
hello@luffsleep.co.uk
Sent
Fri Sep 25, 2026, 2:42 PM ET
Sent to
luffhealth.com
Size
49 KB
Images
8
Links
9, 4 of them buttons
Subject length
52 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 52 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 isn’t a luxury. It’s your life support system.
Date
Fri, 25 Sep 2026 18:42:47 +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

  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

Report this email

Sent just before and after

Oct 2, 2026 7:41 AMWe Saw You Looking
Oct 2, 2026 4:30 AMChampagne Friday must end today!
Sep 28, 2026 2:43 PMHelping others sleep safer, every night
Sep 25, 2026 2:42 PMSleep isn’t a luxury. It’s your life support system. (this email)
Sep 25, 2026 4:53 AMChampagne Friday is here! 🍾
Sep 23, 2026 12:30 PMTime to pop the champagne 🥂...
Sep 22, 2026 2:41 PM“This is the best mattress I’ve ever used”

More from Luff Sleep

All Luff Sleep emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on Sep 25, 2026.

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. Unsubscribe anytime.