Your 58% discount - Sleepwhale
Preview text: Sleep better tonight with a limited time offer.

Using this email in an article? Credit: Sleepwhale email via They Sent It, with a link to this page. Full-size image
- Subject
- Your 58% discount - Sleepwhale
- Preview text
- Sleep better tonight with a limited time offer.
- From
- hello@
sleepwhale.com - Brand
- Sleepwhale
- ESP
- Klaviyo
- Sent
- Fri Oct 16, 2026, 7:08 AM ET
- Size
- 24 KB
- Images
- 4
- Links
- 5, 1 of them buttons
- Subject length
- 30 characters
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
- Sleepwhale <[email protected]>
- Subject
- Your 58% discount - Sleepwhale
- Date
- Fri, 16 Oct 2026 11:08:12 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-1
- Return-Path domain
- k1.send.sleepwhale.com
- DKIM signature
- d=send.sleepwhale.com s=s1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-8zl4k with SMTP
- from (unnamed) by geopod-ismtpd-1 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
Sent just before and after
| Oct 29, 2026 3:31 PM | How Sleepwhale Improves Your Sleep Stages... | |
| Oct 22, 2026 4:45 PM | 30 Nights with Sleepwhale? Check this... | |
| Oct 19, 2026 5:05 AM | Why you wake up at 3am (and what helps) | |
| Oct 18, 2026 10:26 AM | 10% OFF for more restful nights 💤 | |
| Oct 18, 2026 5:03 AM | Why ingredient quality matters more than you think | |
| Oct 17, 2026 5:03 AM | Unlock the Secret to Great Sleep | |
| Oct 16, 2026 7:08 AM | Your 58% discount - Sleepwhale (this email) |
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Oct 18, 2026 10:26 AM
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Same ESP and the closest weekly volume, sent on Oct 16, 2026.












