The glasses that changed nighttime forever
Preview text: Scientifically validated. Proven to perform.

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 glasses that changed nighttime forever
- Preview text
- Scientifically validated. Proven to perform.
- From
- support@
swanwicksleep.com - Brand
- Swanwick Sleep
- ESP
- Klaviyo
- Sent
- Tue Oct 20, 2026, 6:16 AM ET
- Sent to
- bluelighthack.com
- Size
- 43 KB
- Images
- 16
- Links
- 14, 5 of them buttons
- Subject length
- 42 characters
Against Swanwick Sleep's usual
Sent in the 6 AM hour, which holds 13% of its emails; 21% arrive in the 8 PM hour. The subject is 42 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 glasses that changed nighttime forever
- Date
- Tue, 20 Oct 2026 10:16:49 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-91
- 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-…-s4v2c with SMTP
- from (unnamed) by geopod-ismtpd-91 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
| Oct 22, 2026 6:17 AM | Your discount expires today — complete your sleep setup tonight | |
| Oct 20, 2026 2:00 PM | Are you interrupting your brain’s nightly detox? | |
| Oct 20, 2026 7:12 AM | 24 Hours Left To Save 10% On Your First Order | |
| Oct 20, 2026 6:16 AM | The glasses that changed nighttime forever (this email) | |
| Oct 18, 2026 9:08 PM | Here's what over 300,000 people noticed after wearing Swannies | |
| Oct 18, 2026 8:36 PM | 24 Hours Left To Save 10% On Your First Order | |
| Oct 18, 2026 6:26 PM | Here's what over 300,000 people noticed after wearing Swannies |
More from Swanwick Sleep
All Swanwick Sleep emailsNov 7, 2026 8:27 AM
Nov 5, 2026 12:02 PM
Why retro gaming didn’t wreck your sleep?
Nov 2, 2026 12:00 PM
One last step for order #56842
Oct 30, 2026 11:14 PM
Here's What You Need to Know About Swanwick
Oct 29, 2026 11:13 PM
One last step for order #56842
Oct 29, 2026 4:11 PM
Our most requested night light is back!
Oct 29, 2026 7:34 AM
Oct 28, 2026 11:12 PM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 20, 2026.












