Why does your brain suddenly work at night?
Preview text: The answer may have less to do with energy than you think.
No image available for this email.
- Subject
- Why does your brain suddenly work at night?
- Preview text
- The answer may have less to do with energy than you think.
- From
- support@
lumultra.com - Brand
- Lumultra
- ESP
- Klaviyo
- Sent
- Tue Aug 25, 2026, 3:45 PM ET
- Size
- 40 KB
- Images
- 6
- Links
- 8, 6 of them buttons
- Subject length
- 43 characters
Against Lumultra's usual
Sent in the 3 PM hour, which holds 2% of its emails; 26% arrive in the 10 AM hour. The subject is 43 characters; its average is 40.
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
- Lumultra <[email protected]>
- Subject
- Why does your brain suddenly work at night?
- Date
- Tue, 25 Aug 2026 19:45:47 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-84
- Return-Path domain
- send.lumultra.com
- DKIM signature
- d=lumultra.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-lbfr8 with SMTP
- from (unnamed) by geopod-ismtpd-84 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
Sent just before and after
| Sep 3, 2026 12:14 PM | Why does noise bother your brain more now? | |
| Sep 1, 2026 12:18 PM | Why your brain blanks at the worst moment | |
| Aug 27, 2026 10:02 AM | Why are you reading that sentence again? | |
| Aug 25, 2026 3:45 PM | Why does your brain suddenly work at night? (this email) | |
| Aug 20, 2026 10:38 AM | Can You Hear Them—but Still Not Follow Them? | |
| Aug 18, 2026 11:41 AM | Why Can’t You Remember That Name? | |
| Aug 13, 2026 9:46 AM | Brain fog—or mental fatigue? There’s a difference. |
More from Lumultra
All Lumultra emailsOne smell. Suddenly, it's 1998 again.
Nov 5, 2026 11:06 AM
He just told you. Why can't you remember it?
Nov 3, 2026 10:46 AM
Stop searching. We've got you covered.
Oct 30, 2026 10:05 AM
Oct 30, 2026 5:39 AM
You remember that mistake from 20 years ago?
Oct 29, 2026 11:46 AM
Oct 29, 2026 9:31 AM
Did you see something you liked?
Oct 28, 2026 11:38 PM
Oct 28, 2026 11:38 PM
