Science found a way to quiet your brain.

Preview text: No breathwork. No app. Just put these on.

TrueDarkThursday, Jul 16, 2026 at 4:45 AM EasternKlaviyo
TrueDarkScience found a way to quiet your brain.
Subject
Science found a way to quiet your brain.
Preview text
No breathwork. No app. Just put these on.
From
info@truedark.com
Sent
Thu Jul 16, 2026, 4:45 AM ET
Sent to
joovv.biz, joovv.org, joovvtech.com, Canada (truedark.ca), truedark.net, truedark.org, United Kingdom (truedark.uk), United States (truedark.us), truedarkwholesale.com, yellowlighttherapy.com
Size
44 KB
Images
14
Links
16, 7 of them buttons
Subject length
40 characters

Against TrueDark's usual

Sent in the 4 AM hour, which holds 24% of its emails; 32% arrive in the 5 AM hour. The subject is 40 characters; its average is 33.

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
TrueDark <[email protected]>
Subject
Science found a way to quiet your brain.
Date
Thu, 16 Jul 2026 08:45:02 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
k3.send.truedark.com
DKIM signature
d=shared.klaviyomail.com s=def1; d=send.truedark.com s=mtd1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from kl-203-24-5.kmta.shared.klaviyomail.com [170.203.24.5] by our receiving server with ESMTPS
  2. 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

Report this email

Sent just before and after

Aug 4, 2026 5:15 AMWe just made TrueDark for prescription wearers.
Jul 30, 2026 1:00 AMThe Frequent Flyer's Trick to Skip Jet Lag
Jul 22, 2026 12:00 AMToday is Circadian Awareness Day. Here is what that means for you.
Jul 16, 2026 4:45 AMScience found a way to quiet your brain. (this email)
Jul 10, 2026 12:00 AMAvoid Jet Lag Anywhere in the World
Jul 8, 2026 5:00 AMBrain Detox 101
Jun 29, 2026 5:00 AMThe Most Overlooked Sleep Hack

More from TrueDark

All TrueDark 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.