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- Subject
- Get your FREE Sleep Score
- Preview text
- Take our sleep quiz to learn more about your sleep
- From
- newsletter@
sleepfoundation.org - Brand
- Sleep Foundation
- ESP
- Klaviyo
- Sent
- Tue Oct 27, 2026, 3:05 AM ET
- Size
- 52 KB
- Images
- 11
- Links
- 20, 9 of them buttons
- Subject length
- 25 characters
Against Sleep Foundation's usual
Sent in the 3 AM hour, which holds 9% of its emails; 29% arrive in the 12 PM hour. The subject is 25 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
- Get your FREE Sleep Score
- Date
- Tue, 27 Oct 2026 07:05:55 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-10
- 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-…-4lwp9 with SMTP
- from (unnamed) by geopod-ismtpd-10 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 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! | |
| Oct 27, 2026 3:05 AM | Get your FREE Sleep Score (this email) | |
| 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 | |
| Oct 25, 2026 3:01 AM | 14 Nights To Better Sleep: Night 13 | |
| Oct 24, 2026 2:01 AM | 14 Nights To Better Sleep: Night 12 |
More from Sleep Foundation
All Sleep Foundation emailsWe tested hundreds of pillows so you can skip straight to the good ones
Nov 2, 2026 11:38 AM
Your opinion matters - tell us what you think!
Oct 28, 2026 3:06 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
14 Nights To Better Sleep: Night 11
Oct 23, 2026 2:03 AM
14 Nights To Better Sleep: Night 10
Oct 22, 2026 2:02 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 27, 2026.
