The sleep hack trusted by pro athletes and biohackers
Preview text: You don’t need to compromise on sleep anymore
Using this email in an article? Credit: Swanwick Sleep email via They Sent It, with a link to this page. Full-size image
- Subject
- The sleep hack trusted by pro athletes and biohackers
- Preview text
- You don’t need to compromise on sleep anymore
- From
- support@
swanwicksleep.com - Brand
- Swanwick Sleep
- ESP
- Klaviyo
- Sent
- Tue Sep 8, 2026, 10:14 PM ET
- Sent to
- shopswanwick.com
- Size
- 53 KB
- Images
- 18
- Links
- 20, 2 of them buttons
- Subject length
- 53 characters
Against Swanwick Sleep's usual
Sent in the 10 PM hour, which holds 8% of its emails; 21% arrive in the 8 PM hour. The subject is 53 characters; its average is 38.
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
- Swanwick Sleep <[email protected]>
- Subject
- The sleep hack trusted by pro athletes and biohackers
- Date
- Wed, 09 Sep 2026 02:14:50 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-41
- Return-Path domain
- send.swanwicksleep.com
- DKIM signature
- d=swanwicksleep.com s=s1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-canary-…-6bfr2 with SMTP
- from (unnamed) by geopod-ismtpd-41 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 15, 2026 9:02 PM | One Frame. Every Hack You Need. | |
| Sep 12, 2026 10:17 PM | Your 10% off expires tomorrow | |
| Sep 10, 2026 10:01 PM | Your body remembers firelight. | |
| Sep 8, 2026 10:14 PM | The sleep hack trusted by pro athletes and biohackers (this email) | |
| Sep 7, 2026 9:11 PM | It’s not stress. It’s the light hitting your eyes. | |
| Sep 7, 2026 12:19 AM | Still thinking about reclaiming your energy? | |
| Sep 6, 2026 9:10 PM | Welcome to Swanwick |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 8, 2026.
