They Sent It

2 million people are sleeping better

You could be next

Manta SleepSaturday, Sep 12, 2026 at 1:51 PM EasternKlaviyo
Manta Sleep2 million people are sleeping better
Subject
2 million people are sleeping better
Preview text
You could be next
From
support@mantasleep.com
Sent
Sat Sep 12, 2026, 1:51 PM ET
Sent to
mantasleep.com
Size
43 KB
Images
11
Links
16, 5 of them buttons
Subject length
36 characters

Against Manta Sleep's usual

Sent in the 1 PM hour, which holds 1% of its emails; 19% arrive in the 10 AM hour. The subject is 36 characters; its average is 28.

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
Manta Sleep <[email protected]>
Subject
2 million people are sleeping better
Date
Sat, 12 Sep 2026 17:51:41 +0000 (UTC)
Message-ID domain
geopod-ismtpd-94
Return-Path domain
klaviyo.mantasleep.com
DKIM signature
d=mantasleep.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-8ghfb with SMTP
  2. from (unnamed) by geopod-ismtpd-94 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Flow, 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

Sep 21, 2026 6:01 AMShhh. We’re trying to sleep.
Sep 16, 2026 10:03 AMEarly bedtime? Groundbreaking advice.
Sep 14, 2026 8:03 AMSeptember has a sleep problem
Sep 12, 2026 1:51 PM2 million people are sleeping better (this email)
Sep 11, 2026 9:03 AMSleep masks suck
Sep 8, 2026 12:00 AMWhat’s inside your ears at night?
Sep 4, 2026 8:01 AMYou worked all summer. Take a break.

More from Manta Sleep

All Manta Sleep 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. Unsubscribe anytime.