The Science of Bright Light
Preview text: The strongest signal your body clock has
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- Subject
- The Science of Bright Light
- Preview text
- The strongest signal your body clock has
- From
- enquiries@
sundaylight.cc - Brand
- Sunday Light
- ESP
- Klaviyo
- Sent
- Thu Aug 27, 2026, 7:06 AM ET
- Size
- 50 KB
- Images
- 21
- Links
- 21, 5 of them buttons
- Subject length
- 27 characters
Against Sunday Light's usual
Sent in its busiest hour, 7 AM, which holds 48% of its emails. The subject is 27 characters; its average is 29.
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
- Sunday Light <[email protected]>
- Subject
- The Science of Bright Light
- Date
- Thu, 27 Aug 2026 11:06:37 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.sundaylight.cc
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.sundaylight.cc s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP
Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Sep 9, 2026 7:05 AM | Land already adjusted | |
| Sep 5, 2026 7:05 AM | You already know you need morning light | |
| Sep 4, 2026 1:00 PM | Back in the office with Sunday Light | |
| Sep 1, 2026 7:05 AM | Living with Sunday | |
| Aug 29, 2026 7:02 AM | Engineering Indoor Sunlight | |
| Aug 27, 2026 7:06 AM | The Science of Bright Light (this email) | |
| Aug 25, 2026 2:44 AM | Welcome to Sunday Light |
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