Your sleep, stress, and performance have this common

Preview text: The biomarker most people aren’t checking

EliSaturday, Oct 17, 2026 at 10:36 PM EasternKlaviyo
EliYour sleep, stress, and performance have this common
Subject
Your sleep, stress, and performance have this common
Preview text
The biomarker most people aren’t checking
From
hello@eli.health
Brand
Eli
Sent
Sat Oct 17, 2026, 10:36 PM ET
Size
46 KB
Images
12
Links
12, 1 of them buttons
Subject length
52 characters

Against Eli's usual

Sent in the 10 PM hour, which holds 25% of its emails; 25% arrive in the 5 PM hour. The subject is 52 characters; its average is 39.

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From
Marina from Eli <[email protected]>
Subject
Your sleep, stress, and performance have this common
Date
Sun, 18 Oct 2026 02:36:09 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.send.eli.health
DKIM signature
d=shared.klaviyomail.com s=def1; d=send.eli.health s=mtd1
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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 22, 2026 5:38 PMEli is now on Android.
Oct 21, 2026 10:38 PMStill waiting on that bloodwork from weeks ago?
Oct 19, 2026 10:37 PMWondering if you have high cortisol?
Oct 17, 2026 10:36 PMYour sleep, stress, and performance have this common (this email)
Oct 15, 2026 10:34 PMTesting your cortisol once a year misses the mark
Oct 15, 2026 6:30 PMTry this before the clocks change.
Oct 13, 2026 10:33 PMWelcome to real-time hormone tracking

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