Your opinion matters - tell us what you think!
Preview text: Please share your thoughts about the 14 Nights to Better Sleep program

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- Subject
- Your opinion matters - tell us what you think!
- Preview text
- Please share your thoughts about the 14 Nights to Better Sleep program
- From
- newsletter@
sleepfoundation.org - Brand
- Sleep Foundation
- ESP
- Klaviyo
- Sent
- Wed Oct 28, 2026, 3:06 AM ET
- Size
- 46 KB
- Images
- 10
- Links
- 16, 7 of them buttons
- Subject length
- 46 characters
Against Sleep Foundation's usual
Sent in the 3 AM hour, which holds 11% of its emails; 28% arrive in the 12 PM hour. The subject is 46 characters; its average is 45.
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
- Sleep Foundation <[email protected]>
- Subject
- Your opinion matters - tell us what you think!
- Date
- Wed, 28 Oct 2026 07:06:30 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-5
- Return-Path domain
- email.sleepfoundation.org
- DKIM signature
- d=sleepfoundation.org s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-dncxh with SMTP
- from (unnamed) by geopod-ismtpd-5 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
| Nov 9, 2026 11:39 AM | Elevate Your Bedtime Bliss: Discover the Best Sheets | |
| Nov 9, 2026 3:31 AM | We tested thousands of sleep products. Here’s what’s worth getting. | |
| Nov 2, 2026 11:38 AM | We tested hundreds of pillows so you can skip straight to the good ones | |
| Oct 28, 2026 3:06 AM | Your opinion matters - tell us what you think! (this email) | |
| Oct 27, 2026 3:05 AM | Get your FREE Sleep Score | |
| Oct 26, 2026 12:35 PM | We tested 2,000 mattresses. Here is what won. | |
| Oct 26, 2026 3:04 AM | 14 Nights To Better Sleep: Night 14 |
More from Sleep Foundation
All Sleep Foundation emailsElevate Your Bedtime Bliss: Discover the Best Sheets
Nov 9, 2026 11:39 AM
We tested thousands of sleep products. Here’s what’s worth getting.
Nov 9, 2026 3:31 AM
We tested hundreds of pillows so you can skip straight to the good ones
Nov 2, 2026 11:38 AM
Oct 27, 2026 3:05 AM
We tested 2,000 mattresses. Here is what won.
Oct 26, 2026 12:35 PM
14 Nights To Better Sleep: Night 14
Oct 26, 2026 3:04 AM
14 Nights To Better Sleep: Night 13
Oct 25, 2026 3:01 AM
14 Nights To Better Sleep: Night 12
Oct 24, 2026 2:01 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 28, 2026.








