Cool down your side, not theirs
Preview text: Rapid Cooling for night sweats
Using this email in an article? Credit: Eight Sleep email via They Sent It, with a link to this page. Full-size image
- Subject
- Cool down your side, not theirs
- Preview text
- Rapid Cooling for night sweats
- From
- support@
eightsleep.com - Brand
- Eight Sleep
- ESP
- Klaviyo
- Sent
- Tue Oct 20, 2026, 11:01 AM ET
- Sent to
- checkout.eightsleep.com, dev.eightsleep.com, eightsleep.com
- Size
- 55 KB
- Images
- 11
- Links
- 15, 1 of them buttons
- Subject length
- 31 characters
Against Eight Sleep's usual
Sent in its busiest hour, 11 AM, which holds 92% of its emails. The subject is 31 characters; its average is 36.
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
- Eight Sleep <[email protected]>
- Reply-To
- [email protected]
- Subject
- Cool down your side, not theirs
- Date
- Tue, 20 Oct 2026 15:01:01 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-113
- Return-Path domain
- send.k.eightsleep.com
- DKIM signature
- d=k.eightsleep.com s=s1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-nszzd with SMTP
- from (unnamed) by geopod-ismtpd-113 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
Sent just before and after
| Oct 24, 2026 11:00 AM | What your first 30 nights look like | |
| Oct 23, 2026 11:00 AM | Never fight over the thermostat again | |
| Oct 21, 2026 11:00 AM | Pay monthly. Decide in 30 nights. | |
| Oct 20, 2026 11:01 AM | Cool down your side, not theirs (this email) | |
| Oct 18, 2026 11:00 AM | Your 30 nights start the night you set it up | |
| Oct 17, 2026 11:00 AM | One of you runs hot. One runs cold | |
| Oct 15, 2026 11:01 AM | See your monthly payment in minutes |
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Cool down your side, not theirs
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 20, 2026.
