The science behind your sleep struggles
Preview text: Why your body does what it does at night.
Using this email in an article? Credit: Sandland Sleep email via They Sent It, with a link to this page. Full-size image
- Subject
- The science behind your sleep struggles
- Preview text
- Why your body does what it does at night.
- From
- hello@
sandlandsleep.com - Brand
- Sandland Sleep
- ESP
- Klaviyo
- Sent
- Tue Sep 15, 2026, 3:38 PM ET
- Sent to
- trysandlandsleep.com
- Size
- 62 KB
- Images
- 14
- Links
- 24, 4 of them buttons
- Subject length
- 39 characters
Against Sandland Sleep's usual
Sent in the 3 PM hour, which holds 8% of its emails; 46% arrive in the 12 PM hour. The subject is 39 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
- Sandland Sleep <[email protected]>
- Subject
- The science behind your sleep struggles
- Date
- Tue, 15 Sep 2026 19:38:47 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-2
- Return-Path domain
- mail.sandlandsleep.com
- DKIM signature
- d=sandlandsleep.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-canary-…-wq4c5 with SMTP
- from (unnamed) by geopod-ismtpd-2 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
Sent just before and after
| Sep 23, 2026 5:47 PM | The science behind your sleep struggles | |
| Sep 22, 2026 5:45 PM | Still thinking about it? | |
| Sep 22, 2026 12:45 PM | Beware the blue 📲 | |
| Sep 15, 2026 3:38 PM | The science behind your sleep struggles (this email) | |
| Sep 14, 2026 3:37 PM | Still thinking about it? | |
| Sep 14, 2026 12:16 PM | The dos of bedtime | |
| Aug 27, 2026 9:41 PM | The science behind your sleep struggles |
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