Is this hidden culprit in your mouth why you're ALWAYS tired?
Preview text: Hi , That morning exhaustion you can't shake? Your toothbrush is betraying you. You're…

Use this example
- Subject
- Is this hidden culprit in your mouth why you're ALWAYS tired?
- Preview text
- Hi , That morning exhaustion you can't shake? Your toothbrush is betraying you. You're…
- From
- hello@
feno.co - Brand
- Feno
- ESP
- Klaviyo
- Sent
- Thu Nov 5, 2026, 3:40 AM ET
- Size
- 12 KB
- Images
- 1
- Links
- 4, 1 of them buttons
- Subject length
- 61 characters
Against Feno's usual
Sent in the 3 AM hour, which holds 5% of its emails; 12% arrive in the 3 PM hour. The subject is 61 characters; its average is 37.
Sent just before and after
| Nov 11, 2026 9:00 AM | Nobody budgets for a crown. | |
| Nov 9, 2026 11:06 AM | This pink is what your toothbrush missed. | |
| Nov 6, 2026 9:09 AM | Every tooth at once, now $100 off | |
| Nov 5, 2026 3:40 AM | Is this hidden culprit in your mouth why you're ALWAYS tired? (this email) | |
| Nov 4, 2026 12:52 PM | ⏳ Don’t Lose Your Reserved Smartbrush | |
| Nov 3, 2026 12:51 PM | Why 20,000+ switched to Feno | |
| Nov 2, 2026 12:50 PM | 20,000 people switched. Are you next? |
More from Feno
All Feno emailsNov 11, 2026 9:00 AM
This pink is what your toothbrush missed.
Nov 9, 2026 11:06 AM
Every tooth at once, now $100 off
Nov 6, 2026 9:09 AM
⏳ Don’t Lose Your Reserved Smartbrush
Nov 4, 2026 12:52 PM
Nov 3, 2026 12:51 PM
20,000 people switched. Are you next?
Nov 2, 2026 12:50 PM
Halloween tip from a surgeon: it's how often, not how much
Oct 31, 2026 11:08 AM
Oct 30, 2026 1:31 PM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Nov 5, 2026.












