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Cool sleep without the high energy bill*

Energy-efficient comfort every night

Eight SleepTuesday, Jun 23, 2026 at 11:01 AM EasternKlaviyo
Eight SleepCool sleep without the high energy bill*
Subject
Cool sleep without the high energy bill*
Preview text
Energy-efficient comfort every night
From
support@eightsleep.com
Sent
Tue Jun 23, 2026, 11:01 AM ET
Sent to
checkout.eightsleep.com, dev.eightsleep.com, eightsleep.com
Size
53 KB
Images
10
Links
15, 1 of them buttons
Subject length
40 characters

Against Eight Sleep's usual

Sent in its busiest hour, 11 AM, which holds 93% of its emails. The subject is 40 characters; its average is 36.

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From
Eight Sleep <[email protected]>
Subject
Cool sleep without the high energy bill*
Date
Tue, 23 Jun 2026 15:01:01 +0000 (UTC)
Message-ID domain
geopod-ismtpd-76
Return-Path domain
send.k.eightsleep.com
DKIM signature
d=k.eightsleep.com s=s1
List-Unsubscribe
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  1. from o377.k.eightsleep.com [168.245.98.160] by our receiving server with ESMTPS
  2. by recvd-…-h8qvl with SMTP
  3. from (unnamed) by geopod-ismtpd-76 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

Jun 29, 2026 11:01 AMSleep cool this summer, up to $600 off*
Jun 28, 2026 11:02 AMYour heatwave gift, up to $600 off*
Jun 26, 2026 11:00 AMUp to $600 off your Pod purchase*
Jun 23, 2026 11:01 AMCool sleep without the high energy bill* (this email)
Jun 21, 2026 11:00 AMWhat the Pod feels like for dads*
Jun 19, 2026 11:01 AMWhat does Charles Leclerc dream about?
Jun 15, 2026 11:00 AMUp to $600 off your Pod purchase. Starts today*

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