September has a sleep problem
Preview text: And it has a name
Using this email in an article? Credit: Manta Sleep email via They Sent It, with a link to this page. Full-size image
- Subject
- September has a sleep problem
- Preview text
- And it has a name
- From
- support@
mantasleep.com - Brand
- Manta Sleep
- ESP
- Klaviyo
- Sent
- Mon Sep 14, 2026, 8:03 AM ET
- Sent to
- mantasleep.com
- Size
- 38 KB
- Images
- 12
- Links
- 13, 5 of them buttons
- Subject length
- 29 characters
Against Manta Sleep's usual
Sent in the 8 AM hour, which holds 6% of its emails; 20% arrive in the 10 AM hour. The subject is 29 characters, the same as its average.
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
- September has a sleep problem
- Date
- Mon, 14 Sep 2026 12:03:34 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-24
- Return-Path domain
- klaviyo.mantasleep.com
- DKIM signature
- d=mantasleep.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-canary-…-cmt9b with SMTP
- from (unnamed) by geopod-ismtpd-24 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
Sent just before and after
| Sep 23, 2026 6:00 AM | Your in-laws don't have blackout curtains | |
| Sep 21, 2026 6:01 AM | Shhh. We’re trying to sleep. | |
| Sep 16, 2026 10:03 AM | Early bedtime? Groundbreaking advice. | |
| Sep 14, 2026 8:03 AM | September has a sleep problem (this email) | |
| Sep 12, 2026 1:51 PM | 2 million people are sleeping better | |
| Sep 11, 2026 9:03 AM | Sleep masks suck | |
| Sep 8, 2026 12:00 AM | What’s inside your ears at night? |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 14, 2026.
