Your Sleep Quality Deserves An Upgrade!

Preview text: Find your next mattress with our expert top picks

Sleep FoundationWednesday, Apr 29, 2026 at 6:30 AM EasternKlaviyo
Sleep FoundationYour Sleep Quality Deserves An Upgrade!
Subject
Your Sleep Quality Deserves An Upgrade!
Preview text
Find your next mattress with our expert top picks
From
newsletter@sleepfoundation.org
Sent
Wed Apr 29, 2026, 6:30 AM ET
Size
80 KB
Images
12
Links
32, 11 of them buttons
Subject length
39 characters

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Sent in the 6 AM hour, which holds 9% of its emails; 29% arrive in the 12 PM hour. The subject is 39 characters; its average is 45.

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From
Sleep Foundation <[email protected]>
Subject
Your Sleep Quality Deserves An Upgrade!
Date
Wed, 29 Apr 2026 10:30:48 +0000 (UTC)
Message-ID domain
geopod-ismtpd-31
Return-Path domain
email.sleepfoundation.org
DKIM signature
d=sleepfoundation.org s=kl2
List-Unsubscribe
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  1. from o1339.shared.klaviyomail.com [167.89.0.242] by our receiving server with ESMTPS
  2. by recvd-…-72rl4 with SMTP
  3. from (unnamed) by geopod-ismtpd-31 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

May 29, 2026 6:30 AMYour Sleep Quality Deserves An Upgrade!
May 23, 2026 12:31 PMGet your FREE Sleep Score!
May 11, 2026 12:31 PMElevate Your Bedtime Bliss: Discover the Best Sheets
May 5, 2026 9:31 AMPillow Perfection: Explore the Best Pillows
Apr 29, 2026 6:30 AMYour Sleep Quality Deserves An Upgrade! (this email)
Apr 23, 2026 12:31 PMGet your FREE Sleep Score!
Apr 16, 2026 7:37 AMWaking Up In The Night Is Annoying

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