Sleep isn't rest. It's your competitive edge.

Preview text: How treating sleep as a performance tool changes every domain of your life

Doc ParsleyFriday, Apr 3, 2026 at 8:01 AM EasternKlaviyo
Doc ParsleySleep isn't rest. It's your competitive edge.
Subject
Sleep isn't rest. It's your competitive edge.
Preview text
How treating sleep as a performance tool changes every domain of your life
From
customerservice@docparsley.com
Sent
Fri Apr 3, 2026, 8:01 AM ET
Sent to
dev.docparsley.com
Size
66 KB
Images
8
Links
17, 8 of them buttons
Subject length
45 characters

Against Doc Parsley's usual

Sent in its busiest hour, 8 AM, which holds 50% of its emails. The subject is 45 characters; its average is 44.

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
Doc Parsley <[email protected]>
Subject
Sleep isn't rest. It's your competitive edge.
Date
Fri, 03 Apr 2026 12:01:04 +0000 (UTC)
Message-ID domain
geopod-ismtpd-2
Return-Path domain
klaviyo.docparsley.com
DKIM signature
d=docparsley.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1328.shared.klaviyomail.com [168.245.31.178] by our receiving server with ESMTPS
  2. by recvd-…-l77xw with SMTP
  3. from (unnamed) by geopod-ismtpd-2 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

Report this email

Sent just before and after

Apr 6, 2026 4:57 PMFinal Call: Act now before it's gone!
Apr 6, 2026 8:01 AMThat 8pm workout is stealing tonight's recovery
Apr 5, 2026 2:06 PMTime’s running out…
Apr 3, 2026 8:01 AMSleep isn't rest. It's your competitive edge. (this email)
Apr 1, 2026 8:02 AMThe difference between sleeping and recovering
Mar 30, 2026 8:00 AMSleep: The Game Changer for Performance!
Mar 17, 2026 2:38 AMFinal Call: Act now before it's gone!

More from Doc Parsley

All Doc Parsley emails

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. You'll get a confirmation email first, and you can unsubscribe anytime.