Brain Fog - what causes it? 🧠

Preview text: The surprising truth behind those afternoon lulls...

Luff SleepWednesday, Oct 21, 2026 at 4:46 AM EasternKlaviyo
Luff SleepBrain Fog - what causes it? 🧠
Subject
Brain Fog - what causes it? 🧠
Preview text
The surprising truth behind those afternoon lulls...
From
hello@luffsleep.co.uk
Sent
Wed Oct 21, 2026, 4:46 AM ET
Sent to
fluffsleep.com, luffhealth.com, United Kingdom (luffsleep.co.uk), luffsleep.com
Size
41 KB
Images
12
Links
9, 1 of them buttons
Subject length
29 characters

Against Luff Sleep's usual

Sent in the 4 AM hour, which holds 6% of its emails; 12% arrive in the 12 AM hour. The subject is 29 characters; its average is 35.

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From
Luff Sleep <[email protected]>
Subject
Brain Fog - what causes it? 🧠
Date
Wed, 21 Oct 2026 08:46:00 +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
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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-Message, X-Kmail-Ops, X-Report-Abuse

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Sent just before and after

Oct 31, 2026 3:38 PMWe Saw You Looking
Oct 24, 2026 5:30 AMAn extra hour in bed? Now that’s Luff-ly
Oct 23, 2026 11:46 PMHelping others sleep safer, every night
Oct 21, 2026 4:46 AMBrain Fog - what causes it? 🧠 (this email)
Oct 20, 2026 11:45 PMSleep isn’t a luxury. It’s your life support system.
Oct 17, 2026 11:44 PM“This is the best mattress I’ve ever used”
Oct 15, 2026 11:43 PMTurn your bed into a hotel suite

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