Tired all day? It's not just bad sleep.

Preview text: One mineral might explain it.

SPNutritionThursday, Apr 16, 2026 at 1:51 PM EasternKlaviyo
SPNutritionTired all day? It's not just bad sleep.
Subject
Tired all day? It's not just bad sleep.
Preview text
One mineral might explain it.
From
support@spnutrition-us.com
Sent
Thu Apr 16, 2026, 1:51 PM ET
Sent to
spnutrition-us.com, try-spnutrition.com
Size
53 KB
Images
9
Links
4, 3 of them buttons
Subject length
39 characters

Against SPNutrition's usual

Sent in the 1 PM hour, which holds 15% of its emails; 25% arrive in the 10 AM hour. The subject is 39 characters; its average is 38.

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
SPNutrition <[email protected]>
Subject
Tired all day? It's not just bad sleep.
Date
Thu, 16 Apr 2026 17:51:41 +0000
Message-ID domain
klaviyomail.com
Return-Path domain
send.spnutrition-us.com
DKIM signature
d=shared.klaviyomail.com s=def1; d=spnutrition-us.com s=kl1
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from kl-203-24-6.kmta.shared.klaviyomail.com [170.203.24.6] by our receiving server with ESMTPS
  2. 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-Message, X-Kmail-Ops, X-Report-Abuse

Report this email

Sent just before and after

Apr 27, 2026 1:41 PM3 AM thoughts won't stop? Read this.
Apr 22, 2026 10:01 AMForgetting things more often? Read this.
Apr 21, 2026 10:34 AMMost magnesium never reaches your body. Here's why.
Apr 16, 2026 1:51 PMTired all day? It's not just bad sleep. (this email)
Apr 12, 2026 1:29 PMOne deficiency behind your sleepless nights
Apr 7, 2026 11:48 AMThe link between your anxiety, brain fog, and sleep
Apr 5, 2026 1:23 PMAnother sleepless night?

More from SPNutrition

All SPNutrition 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. Unsubscribe anytime.