📊 The problem is what you sleep on

Preview text: If you're a side sleeper, your mattress may be working against you.

SONU SleepTuesday, Aug 18, 2026 at 9:01 PM EasternKlaviyo
SONU Sleep📊 The problem is what you sleep on
Subject
📊 The problem is what you sleep on
Preview text
If you're a side sleeper, your mattress may be working against you.
From
info@sonusleep.com
Sent
Tue Aug 18, 2026, 9:01 PM ET
Sent to
sonusleep.com
Size
58 KB
Images
32
Links
23, 1 of them buttons
Subject length
35 characters

Against SONU Sleep's usual

Sent in the 9 PM hour, which holds 18% of its emails; 18% arrive in the 8 PM hour. The subject is 35 characters; its average is 39.

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From
SONU Sleep <[email protected]>
Subject
📊 The problem is what you sleep on
Date
Wed, 19 Aug 2026 01:01:40 +0000 (UTC)
Message-ID domain
geopod-ismtpd-34
Return-Path domain
send.sonusleep.com
DKIM signature
d=sonusleep.com s=kl2
List-Unsubscribe
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  1. by recvd-…-fj5nk with SMTP
  2. from (unnamed) by geopod-ismtpd-34 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

Aug 26, 2026 12:26 AMChange the way you sleep — for the better. 💤
Aug 25, 2026 8:45 PM🛏️ Sleep better now, pay over time
Aug 20, 2026 8:45 PM💡 The mattress hadn’t changed in over 100 years…
Aug 18, 2026 9:01 PM📊 The problem is what you sleep on (this email)
Aug 16, 2026 6:45 PM⏳ Last chance to save up to $1,076
Aug 14, 2026 9:00 PM🌔 Your wellness upgrade ends Sunday
Aug 12, 2026 8:45 PM🏆 Sleep like the pros

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