14 Nights To Better Sleep: Night 3

Preview text: How to darken your sleep environment

Sleep FoundationThursday, Oct 15, 2026 at 2:05 AM EasternKlaviyo
Sleep Foundation14 Nights To Better Sleep: Night 3
Subject
14 Nights To Better Sleep: Night 3
Preview text
How to darken your sleep environment
From
newsletter@sleepfoundation.org
Sent
Thu Oct 15, 2026, 2:05 AM ET
Size
80 KB
Images
16
Links
21, 9 of them buttons
Subject length
34 characters

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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.

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From
Sleep Foundation <[email protected]>
Subject
14 Nights To Better Sleep: Night 3
Date
Thu, 15 Oct 2026 06:05:16 +0000 (UTC)
Message-ID domain
geopod-ismtpd-34
Return-Path domain
email.sleepfoundation.org
DKIM signature
d=sleepfoundation.org s=kl2
List-Unsubscribe
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  1. by recvd-…-v46fm with SMTP
  2. from (unnamed) by geopod-ismtpd-34 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

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Sent just before and after

Oct 18, 2026 2:04 AM14 Nights To Better Sleep: Night 6
Oct 17, 2026 2:01 AM14 Nights To Better Sleep: Night 5
Oct 16, 2026 2:03 AM14 Nights To Better Sleep: Night 4
Oct 15, 2026 2:05 AM14 Nights To Better Sleep: Night 3 (this email)
Oct 14, 2026 2:02 AM14 Nights To Better Sleep: Night 2
Oct 13, 2026 12:46 AMWelcome to the 14 Nights To Better Sleep Program
Oct 12, 2026 1:35 PMElevate Your Bedtime Bliss: Discover the Best Sheets

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