Mid-Season Sale: Why Now Is the Best Time to Upgrade Your Sleep

Preview text: Less noise, better pricing, smarter decisions.

SlumblrThursday, Oct 15, 2026 at 4:09 AM EasternKlaviyo
SlumblrMid-Season Sale: Why Now Is the Best Time to Upgrade Your Sleep
Subject
Mid-Season Sale: Why Now Is the Best Time to Upgrade Your Sleep
Preview text
Less noise, better pricing, smarter decisions.
From
support@slumblr.com
Brand
Slumblr
Sent
Thu Oct 15, 2026, 4:09 AM ET
Sent to
slumblr.com, theslumblr.com
Size
57 KB
Images
11
Links
14, 7 of them buttons
Subject length
63 characters

Against Slumblr's usual

Sent in the 4 AM hour, which holds 4% of its emails; 16% arrive in the 3 AM hour. The subject is 63 characters; its average is 37.

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From
Slumblr <[email protected]>
Subject
Mid-Season Sale: Why Now Is the Best Time to Upgrade Your Sleep
Date
Thu, 15 Oct 2026 08:09:04 +0000 (UTC)
Message-ID domain
geopod-ismtpd-90
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-…-bh92k with SMTP
  2. from (unnamed) by geopod-ismtpd-90 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

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Sent just before and after

Oct 21, 2026 11:00 PMYour bedroom might need this
Oct 18, 2026 4:10 AM🎁 Last chance: extra 15% OFF your Slumblr order
Oct 16, 2026 11:00 PMNo tricks. Just an extra 10% OFF 🎃
Oct 15, 2026 4:09 AMMid-Season Sale: Why Now Is the Best Time to Upgrade Your Sleep (this email)
Oct 14, 2026 11:00 PMThe scariest thing isn't Halloween… 👻
Oct 14, 2026 4:07 AMWelcome to Slumblr 🖤 Mid-season Sale access unlocked
Sep 28, 2026 6:09 AMA little extra help deciding 🎁

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