14 Nights To Better Sleep: Night 9
Preview text: Do you know the humidity in your bedroom?
Use this example
- Subject
- 14 Nights To Better Sleep: Night 9
- Preview text
- Do you know the humidity in your bedroom?
- From
- newsletter@
sleepfoundation.org - Brand
- Sleep Foundation
- ESP
- Klaviyo
- Sent
- Wed Oct 21, 2026, 2:02 AM ET
- Size
- 80 KB
- Images
- 16
- Links
- 21, 9 of them buttons
- Subject length
- 34 characters
Against Sleep Foundation's usual
Sent in the 2 AM hour, which holds 23% of its emails; 28% arrive in the 12 PM hour. The subject is 34 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
- 14 Nights To Better Sleep: Night 9
- Date
- Wed, 21 Oct 2026 06:02:30 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-83
- 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-…-hk88m with SMTP
- from (unnamed) by geopod-ismtpd-83 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 24, 2026 2:01 AM | 14 Nights To Better Sleep: Night 12 | |
| Oct 23, 2026 2:03 AM | 14 Nights To Better Sleep: Night 11 | |
| Oct 22, 2026 2:02 AM | 14 Nights To Better Sleep: Night 10 | |
| Oct 21, 2026 2:02 AM | 14 Nights To Better Sleep: Night 9 (this email) | |
| Oct 20, 2026 2:05 AM | 14 Nights To Better Sleep: Night 8 | |
| Oct 19, 2026 1:36 PM | We tested 2,000 beds. Here is what we found for every type of sleeper. | |
| Oct 19, 2026 12:31 PM | We tested thousands of sleep products. Here’s what’s worth getting. |
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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
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 21, 2026.
