Sleep syncing? Your mattress matters.

Preview text: The one viral sleep trend doctors actually endorse needs a foundation that works.

SonnoSaturday, Sep 5, 2026 at 7:00 AM EasternKlaviyo
SonnoSleep syncing? Your mattress matters.
Subject
Sleep syncing? Your mattress matters.
Preview text
The one viral sleep trend doctors actually endorse needs a foundation that works.
From
info@sleepsonno.com
Brand
Sonno
Sent
Sat Sep 5, 2026, 7:00 AM ET
Size
72 KB
Images
13
Links
25, 3 of them buttons
Subject length
37 characters

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Sent in the 7 AM hour, which holds 3% of its emails; 35% arrive in the 6 AM hour. The subject is 37 characters; its average is 44.

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From
Sonno <[email protected]>
Subject
Sleep syncing? Your mattress matters.
Date
Sat, 05 Sep 2026 11:00:02 +0000 (UTC)
Message-ID domain
geopod-ismtpd-21
Return-Path domain
send.sleepsonno.com
DKIM signature
d=sleepsonno.com s=kl2
List-Unsubscribe
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  1. by recvd-…-wr9n2 with SMTP
  2. from (unnamed) by geopod-ismtpd-21 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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