Your routine is changing. Your sleep should too.

Preview text: Back to busy mornings starts with better nights.

SlumblrWednesday, Aug 12, 2026 at 11:01 PM EasternKlaviyo
SlumblrYour routine is changing. Your sleep should too.
Subject
Your routine is changing. Your sleep should too.
Preview text
Back to busy mornings starts with better nights.
From
support@slumblr.com
Brand
Slumblr
Sent
Wed Aug 12, 2026, 11:01 PM ET
Sent to
slumblr.com
Size
43 KB
Images
7
Links
6, 3 of them buttons
Subject length
48 characters

Against Slumblr's usual

Sent in the 11 PM hour, which holds 14% of its emails; 17% arrive in the 3 AM hour. The subject is 48 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
Your routine is changing. Your sleep should too.
Date
Thu, 13 Aug 2026 03:01:02 +0000 (UTC)
Message-ID domain
geopod-ismtpd-1
Return-Path domain
hello.slumblr.com
DKIM signature
d=slumblr.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-2t7bc with SMTP
  2. from (unnamed) by geopod-ismtpd-1 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

Report this email

Sent just before and after

Aug 18, 2026 7:38 AMThat comfort upgrade is still waiting.
Aug 17, 2026 7:36 AMStill thinking about that product? 👀
Aug 14, 2026 3:00 AMIf you fold your pillow every night, read this
Aug 12, 2026 11:01 PMYour routine is changing. Your sleep should too. (this email)
Aug 7, 2026 3:00 AMIf you're folding your pillow, it's time for an upgrade
Aug 5, 2026 3:00 AMYour pillow isn't the problem. Its shape is.
Aug 1, 2026 1:00 AMOne small upgrade. Every single night.

More from Slumblr

All Slumblr emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.