Are you getting enough REM sleep at night?

Preview text: Memory, mood, and brain health all run through this one stage.

Sip2SleepThursday, Jun 11, 2026 at 1:45 PM EasternKlaviyo
Sip2SleepAre you getting enough REM sleep at night?
Subject
Are you getting enough REM sleep at night?
Preview text
Memory, mood, and brain health all run through this one stage.
From
info@send.sip2sleep.com
Sent
Thu Jun 11, 2026, 1:45 PM ET
Size
76 KB
Images
7
Links
19, 6 of them buttons
Subject length
42 characters

Against Sip2Sleep's usual

Sent in its busiest hour, 1 PM, which holds 48% of its emails. The subject is 42 characters; its average is 41.

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
Sip2Sleep <[email protected]>
Subject
Are you getting enough REM sleep at night?
Date
Thu, 11 Jun 2026 17:45:17 +0000 (UTC)
Message-ID domain
geopod-ismtpd-0
Return-Path domain
k1.send.sip2sleep.com
DKIM signature
d=send.sip2sleep.com s=s1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1344.shared.klaviyomail.com [167.89.110.137] by our receiving server with ESMTPS
  2. by recvd-…-5kwzz with SMTP
  3. from (unnamed) by geopod-ismtpd-0 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

Report this email

Sent just before and after

Jul 2, 2026 1:15 PMAre your hormones affecting sleep?
Jun 25, 2026 1:15 PMIs tart cherry juice better than melatonin?
Jun 18, 2026 1:15 PMIs sleeping less than 7 hours safe?
Jun 11, 2026 1:45 PMAre you getting enough REM sleep at night? (this email)
Jun 9, 2026 11:04 AMThe sleep stat that keeps surprising people
Jun 4, 2026 1:30 PMYour dinner might be waking you at 3am
May 28, 2026 1:15 PMCan't turn your brain off at night?

More from Sip2Sleep

All Sip2Sleep emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.