Can you change your circadian rhythm?

Preview text: Learn how to realign back to your sleep schedule

Sleep DoctorMonday, Apr 6, 2026 at 3:30 AM EasternKlaviyo
Sleep DoctorCan you change your circadian rhythm?
Subject
Can you change your circadian rhythm?
Preview text
Learn how to realign back to your sleep schedule
From
newsletter@sleepdoctor.com
Sent
Mon Apr 6, 2026, 3:30 AM ET
Sent to
singularsleep.com, sleepdoctor.com
Size
85 KB
Images
13
Links
29, 12 of them buttons
Subject length
37 characters

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Sent in the 3 AM hour, which holds 20% of its emails; 23% arrive in the 9 AM hour. The subject is 37 characters, the same as its average.

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From
Sleep Doctor <[email protected]>
Subject
Can you change your circadian rhythm?
Date
Mon, 06 Apr 2026 07:30:30 +0000 (UTC)
Message-ID domain
geopod-ismtpd-77
Return-Path domain
email.sleepdoctor.com
DKIM signature
d=sleepdoctor.com s=kl2
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Apr 6, 2026 3:30 AMCan you change your circadian rhythm? (this email)
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