😴 Your flat mattress is wrecking your spine
Preview text: Save up to $1066 for the perfect fix.
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- Subject
- 😴 Your flat mattress is wrecking your spine
- Preview text
- Save up to $1066 for the perfect fix.
- From
- info@
sonusleep.com - Brand
- SONU Sleep
- ESP
- Klaviyo
- Sent
- Fri May 8, 2026, 8:45 PM ET
- Sent to
- sonusleep.com
- Size
- 60 KB
- Images
- 33
- Links
- 24, 1 of them buttons
- Subject length
- 44 characters
Against SONU Sleep's usual
Sent in its busiest hour, 8 PM, which holds 18% of its emails. The subject is 44 characters; its average is 39.
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
- SONU Sleep <[email protected]>
- Subject
- 😴 Your flat mattress is wrecking your spine
- Date
- Sat, 09 May 2026 00:45:18 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-45
- Return-Path domain
- send.sonusleep.com
- DKIM signature
- d=sonusleep.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from o1401.shared.klaviyomail.com [168.245.125.63] by our receiving server with ESMTPS
- by recvd-…-c2psf with SMTP
- from (unnamed) by geopod-ismtpd-45 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
| May 19, 2026 6:01 PM | 💪 The mattress pro athletes sleep on | |
| May 15, 2026 6:30 PM | 🇺🇸 The Freedom to Sleep Event starts now | |
| May 10, 2026 8:15 PM | ❤️ This Mother's Day, gift her real rest | |
| May 8, 2026 8:45 PM | 😴 Your flat mattress is wrecking your spine (this email) | |
| May 4, 2026 7:30 PM | ⏳ Mom’s Sale is still on, but not for long | |
| Apr 29, 2026 6:15 PM | 🫂 The best thing you can give her | |
| Apr 21, 2026 12:15 PM | ⏳ Last chance: Sleep Better, Stress Less Sale |
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