One small upgrade. Every single night.
Preview text: The best investments are the ones you keep using.
No image available for this email.
- Subject
- One small upgrade. Every single night.
- Preview text
- The best investments are the ones you keep using.
- From
- support@
slumblr.com - Brand
- Slumblr
- ESP
- Klaviyo
- Sent
- Sat Aug 1, 2026, 1:00 AM ET
- Sent to
- slumblr.com
- Size
- 47 KB
- Images
- 8
- Links
- 11, 4 of them buttons
- Subject length
- 38 characters
Against Slumblr's usual
Sent in the 1 AM hour, which holds 9% of its emails; 17% arrive in the 3 AM hour. The subject is 38 characters; its average is 37.
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
- Slumblr <[email protected]>
- Subject
- One small upgrade. Every single night.
- Date
- Sat, 01 Aug 2026 05:00:33 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-16
- Return-Path domain
- hello.slumblr.com
- DKIM signature
- d=slumblr.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from o1409.shared.klaviyomail.com [149.72.85.18] by our receiving server with ESMTPS
- by recvd-…-m59vj with SMTP
- from (unnamed) by geopod-ismtpd-16 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Aug 12, 2026 11:01 PM | Your routine is changing. Your sleep should too. | |
| Aug 7, 2026 3:00 AM | If you're folding your pillow, it's time for an upgrade | |
| Aug 5, 2026 3:00 AM | Your pillow isn't the problem. Its shape is. | |
| Aug 1, 2026 1:00 AM | One small upgrade. Every single night. (this email) | |
| Jul 30, 2026 7:50 AM | That comfort upgrade is still waiting. | |
| Jul 29, 2026 7:44 AM | Still thinking about that product? 👀 | |
| Jul 23, 2026 12:41 PM | The one thing nobody tells you about getting older |
More from Slumblr
All Slumblr emailsThat comfort upgrade is still waiting.
Nov 5, 2026 8:54 AM
Still thinking about that product? 👀
Nov 4, 2026 8:58 AM
These Slumblr favourites deserve a closer look 👀
Nov 4, 2026 1:00 AM
A little extra help deciding 🎁
Nov 2, 2026 2:34 AM
That comfort upgrade is still waiting.
Oct 31, 2026 3:33 AM
Your Halloween weekend treat is here 🎃
Oct 30, 2026 1:00 AM
Still putting up with these bedtime annoyances?
Oct 28, 2026 3:00 AM
A little extra help deciding 🎁
Oct 25, 2026 1:57 AM







