Your Sleep Quality Deserves An Upgrade!
Preview text: Find your next mattress with our expert top picks
No image available for this email.
- 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
- Mon Aug 24, 2026, 12:37 PM ET
- Size
- 71 KB
- Images
- 12
- Links
- 26, 9 of them buttons
- Subject length
- 39 characters
Against Sleep Foundation's usual
Sent in its busiest hour, 12 PM, which holds 28% of its emails. The subject is 39 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 Sleep Quality Deserves An Upgrade!
- Date
- Mon, 24 Aug 2026 16:37:32 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-112
- 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-…-6dzkn with SMTP
- from (unnamed) by geopod-ismtpd-112 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
| Sep 14, 2026 1:08 PM | We tested 2,000 beds. Here is what we found for every type of sleeper. | |
| Sep 7, 2026 12:54 PM | Elevate Your Bedtime Bliss: Discover the Best Sheets | |
| Aug 31, 2026 12:55 PM | Pillow Perfection: Explore the Best Pillows | |
| Aug 24, 2026 12:37 PM | Your Sleep Quality Deserves An Upgrade! (this email) | |
| Aug 17, 2026 12:34 PM | We tested thousands of sleep products. Here’s what’s worth getting. | |
| Aug 10, 2026 12:31 PM | Elevate Your Bedtime Bliss: Discover the Best Sheets | |
| Aug 4, 2026 9:39 AM | Pillow Perfection: Explore the Best Pillows |
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
Your opinion matters - tell us what you think!
Oct 28, 2026 3:06 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







