Sleeping 8 hours but still tired?

Preview text: Better sleep starts with better support. Save 50% + extra 10% today.

SlumblrWednesday, Sep 23, 2026 at 11:00 PM EasternKlaviyo
SlumblrSleeping 8 hours but still tired?
Subject
Sleeping 8 hours but still tired?
Preview text
Better sleep starts with better support. Save 50% + extra 10% today.
From
support@slumblr.com
Brand
Slumblr
Sent
Wed Sep 23, 2026, 11:00 PM ET
Sent to
slumblr.com
Size
35 KB
Images
5
Links
2, 1 of them buttons
Subject length
33 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 33 characters; its average is 37.

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From
Slumblr <[email protected]>
Subject
Sleeping 8 hours but still tired?
Date
Thu, 24 Sep 2026 03:00:03 +0000 (UTC)
Message-ID domain
geopod-ismtpd-87
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-…-gdm8b with SMTP
  2. from (unnamed) by geopod-ismtpd-87 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 28, 2026 6:09 AMA little extra help deciding 🎁
Sep 26, 2026 6:07 AMThat comfort upgrade is still waiting.
Sep 25, 2026 3:00 AMWhy thousands are upgrading their sleep
Sep 23, 2026 11:00 PMSleeping 8 hours but still tired? (this email)
Sep 20, 2026 1:23 AMA little extra help deciding 🎁
Sep 18, 2026 1:22 AMThat comfort upgrade is still waiting.
Sep 16, 2026 11:00 PM50% OFF + extra 10% for better sleep 😴

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