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

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

Luff Sleep

Tuesday, Oct 20, 2026 at 11:45 PM EasternKlaviyo

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

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Sleep isn’t a luxury. It’s your life support system. - email from Luff Sleep

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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
Brand: Luff Sleep
ESP: Klaviyo
Sent: Tue Oct 20, 2026, 11:45 PM ET
Sent to: luffhealth.com, United Kingdom (luffsleep.co.uk), luffsleep.com
Size: 49 KB
Images: 8
Links: 9, 4 of them buttons
Subject length: 52 characters

Against Luff Sleep's usual

Sent in the 11 PM hour, which holds 8% 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: Wed, 21 Oct 2026 03:45:37 +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

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-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

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Sent just before and after

	Oct 24, 2026 5:30 AM	An extra hour in bed? Now that’s Luff-ly
	Oct 23, 2026 11:46 PM	Helping others sleep safer, every night
	Oct 21, 2026 4:46 AM	Brain Fog - what causes it? 🧠
	Oct 20, 2026 11:45 PM	Sleep isn’t a luxury. It’s your life support system. (this email)
	Oct 17, 2026 11:44 PM	“This is the best mattress I’ve ever used”
	Oct 15, 2026 11:43 PM	Turn your bed into a hotel suite
	Oct 14, 2026 11:41 PM	Sleep cleaner. Sleep cooler. Sleep bamboo.