Your energy dips have a name: chronotype

Preview text: It's not a discipline problem. It's biology. See which of four sleep types fits you best.

Sunday, Jul 26, 2026 at 12:01 PM EasternKlaviyo

Sleep DoctorYour energy dips have a name: chronotype

Image not available

No image available for this email.

Subject: Your energy dips have a name: chronotype
Preview text: It's not a discipline problem. It's biology. See which of four sleep types fits you best.
From: newsletter@sleepdoctor.com
Brand: Sleep Doctor
ESP: Klaviyo
Sent: Sun Jul 26, 2026, 12:01 PM ET
Sent to: United States (sleepassociation.us)
Size: 93 KB
Images: 10
Links: 25, 3 of them buttons
Subject length: 40 characters

Against Sleep Doctor's usual

Sent in the 12 PM hour, which holds 17% of its emails; 23% arrive in the 9 AM hour. The subject is 40 characters; its average is 37.

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 o1289.shared.klaviyomail.com [167.89.80.88] by our receiving server with ESMTPS
by recvd-…-l8vgh with SMTP
from (unnamed) by geopod-ismtpd-107 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

	Jul 28, 2026 1:00 PM	Turn pre-tax dollars into better nights
	Jul 28, 2026 1:50 AM	See something you like?
	Jul 27, 2026 12:01 PM	Night sweats aren't always about heat
	Jul 26, 2026 12:01 PM	Your energy dips have a name: chronotype (this email)
	Jul 24, 2026 11:36 PM	See something you like?
	Jul 23, 2026 8:06 PM	See something you like?
	Jul 23, 2026 6:00 PM	Which CPAP mask shape is right for you?