Soft, cozy, and worriless delivery

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Sunday, Jun 28, 2026 at 11:17 PM EasternKlaviyo

SonnoSoft, cozy, and worriless delivery

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Against Sonno's usual

Sent in the 11 PM hour, which holds 14% of its emails; 35% arrive in the 6 AM hour. The subject is 34 characters; its average is 44.

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What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

from o1399.shared.klaviyomail.com [149.72.95.94] by our receiving server with ESMTPS
by recvd-cc888d6-hr5z7 with SMTP
from (unnamed) by geopod-ismtpd-99 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

	Jul 9, 2026 2:00 AM	You spend 8 hours a night here. Does it feel like it?
	Jul 7, 2026 6:00 AM	You're probably not sleeping enough.
	Jul 2, 2026 6:00 AM	A better mattress for every room
	Jun 28, 2026 11:17 PM	Soft, cozy, and worriless delivery (this email)
	Jun 25, 2026 11:16 PM	Ever wonder how Sonno snoozers are sleeping?
	Jun 25, 2026 6:00 AM	Working late doesn't mean working well. Here's the data.
	Jun 22, 2026 11:15 PM	Yes, the 200-Night Trial are real 💤