Tomorrow morning starts tonight

Preview text: One small upgrade can change your whole night.

SlumblrWednesday, Sep 2, 2026 at 11:00 PM EasternKlaviyo
SlumblrTomorrow morning starts tonight
Subject
Tomorrow morning starts tonight
Preview text
One small upgrade can change your whole night.
From
support@slumblr.com
Brand
Slumblr
Sent
Wed Sep 2, 2026, 11:00 PM ET
Sent to
slumblr.com
Size
33 KB
Images
5
Links
2, 1 of them buttons
Subject length
31 characters

Against Slumblr's usual

Sent in the 11 PM hour, which holds 14% of its emails; 16% arrive in the 3 AM hour. The subject is 31 characters; its average is 37.

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From
Slumblr <[email protected]>
Subject
Tomorrow morning starts tonight
Date
Thu, 03 Sep 2026 03:00:52 +0000 (UTC)
Message-ID domain
geopod-ismtpd-111
Return-Path domain
hello.slumblr.com
DKIM signature
d=slumblr.com s=kl2
List-Unsubscribe
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Servers it passed through, newest first

  1. by recvd-…-jqbkb with SMTP
  2. from (unnamed) by geopod-ismtpd-111 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

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Sent just before and after

Sep 10, 2026 3:52 AMThat comfort upgrade is still waiting.
Sep 9, 2026 1:00 AMWe made Slumblr cheaper this week
Sep 4, 2026 11:00 PMIf you fold your pillow every night, read this · Resent
Sep 2, 2026 11:00 PMTomorrow morning starts tonight (this email)
Sep 1, 2026 2:36 AMA little extra help deciding 🎁
Aug 30, 2026 2:35 AMThat comfort upgrade is still waiting.
Aug 28, 2026 11:00 PMIf you fold your pillow every night, read this

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