Your Sleep Quality Deserves An Upgrade!
Preview text: Find your next mattress with our expert top picks
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- Subject
- Your Sleep Quality Deserves An Upgrade!
- Preview text
- Find your next mattress with our expert top picks
- From
- newsletter@
sleepfoundation.org - Brand
- Sleep Foundation
- ESP
- Klaviyo
- Sent
- Wed Apr 29, 2026, 6:30 AM ET
- Size
- 80 KB
- Images
- 12
- Links
- 32, 11 of them buttons
- Subject length
- 39 characters
Against Sleep Foundation's usual
Sent in the 6 AM hour, which holds 9% of its emails; 29% arrive in the 12 PM hour. The subject is 39 characters; its average is 45.
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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 Sleep Quality Deserves An Upgrade!
- Date
- Wed, 29 Apr 2026 10:30:48 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-31
- Return-Path domain
- email.sleepfoundation.org
- DKIM signature
- d=sleepfoundation.org s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from o1339.shared.klaviyomail.com [167.89.0.242] by our receiving server with ESMTPS
- by recvd-…-72rl4 with SMTP
- from (unnamed) by geopod-ismtpd-31 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
| May 29, 2026 6:30 AM | Your Sleep Quality Deserves An Upgrade! | |
| May 23, 2026 12:31 PM | Get your FREE Sleep Score! | |
| May 11, 2026 12:31 PM | Elevate Your Bedtime Bliss: Discover the Best Sheets | |
| May 5, 2026 9:31 AM | Pillow Perfection: Explore the Best Pillows | |
| Apr 29, 2026 6:30 AM | Your Sleep Quality Deserves An Upgrade! (this email) | |
| Apr 23, 2026 12:31 PM | Get your FREE Sleep Score! | |
| Apr 16, 2026 7:37 AM | Waking Up In The Night Is Annoying |
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