iSLEEP emails
iSLEEP sends about 12 emails a week through Klaviyo, most often on Wednesday around 6 PM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 12
- Busiest send time
- Wednesdays at 6pm ET
- Last sent
- Today · Oct 29
- Tracked since
- Mar 2026
- Emails collected
- 153
Recent emails
Oct 29, 2026 6:26 PM
CPAP users swear by these essentials
Oct 28, 2026 7:18 PM
How Travis Finally Slept Through the Night 😴
Oct 28, 2026 6:25 PM
🛒 Sleep better starts with the right supplies
Oct 25, 2026 7:05 PM
What Fuels Our Sleep Innovation Engine
Oct 22, 2026 7:04 PM
Step Inside: How We Bring Sleep to Life
Oct 20, 2026 7:02 PM
Not Sure What’s Right for You? Let’s Fix That.
Recent subject lines
All subject linesSubject lines average 42 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 29, 2026 6:26 PM | CPAP users swear by these essentials | Here’s why keeping your gear fresh matters—according to real users. | |
| Oct 28, 2026 7:18 PM | How Travis Finally Slept Through the Night 😴 | Their story could be yours—plus a free gift or 15% off (2 days only!). | |
| Oct 28, 2026 6:25 PM | 🛒 Sleep better starts with the right supplies | The essentials you viewed—like filters and tubing—are still waiting in your cart. | |
| Oct 25, 2026 7:05 PM | What Fuels Our Sleep Innovation Engine | Explore the science and research powering your best rest ever. | |
| Oct 22, 2026 7:04 PM | Step Inside: How We Bring Sleep to Life | From concept to creation—see what makes our sleep solutions different. | |
| Oct 20, 2026 7:02 PM | Not Sure What’s Right for You? Let’s Fix That. | A quick guide to choosing the perfect product for your sleep needs. | |
| Oct 18, 2026 7:00 PM | ⏳ Last Chance: Your 10% Off Expires Tonight! | Don’t miss this one-time offer to sleep better for less. Code ends soon! | |
| Oct 16, 2026 6:59 PM | What Real Customers Are Saying… | Hear from people just like you—and don’t forget your 10% off (still active!). |
Archive
View full archiveOctober 2026 10 emails
View all⏳ Last Chance: Your 10% Off Expires Tonight!
Oct 18, 2026 7:00 PM
What Real Customers Are Saying…
Oct 16, 2026 6:59 PM
A Personal Note from Our Founder 💤
Oct 15, 2026 6:57 PM
Welcome to iSLEEP – Your Best Sleep Starts Now!
Oct 14, 2026 6:50 PM
May 2026 40 emails
View allDon’t miss out on a better night’s sleep
May 12, 2026 1:22 AM
When iSLEEP sends
11% of its emails arrive in the 6 PM hour, with a second, smaller wave around 5 AM. Wednesdays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 1 | 3 | 1 | 2 | 0 | 1 | 4 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
| Tue | 0 | 2 | 1 | 3 | 0 | 2 | 4 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
| Wed | 0 | 1 | 0 | 4 | 0 | 2 | 3 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 1 | 4 | 1 | 0 | 0 | 1 | 0 |
| Thu | 0 | 1 | 0 | 4 | 0 | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 4 | 1 | 0 | 1 | 2 | 0 |
| Fri | 1 | 2 | 0 | 2 | 0 | 3 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 3 | 0 | 0 | 1 | 2 | 0 |
| Sat | 1 | 3 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 0 |
| Sun | 1 | 3 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 2 | 0 | 1 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 1 | 0 | 0 | 0 | 1 | 1 | 1 |
| 1a | 3 | 2 | 1 | 1 | 2 | 3 | 3 |
| 2a | 1 | 1 | 0 | 0 | 0 | 1 | 1 |
| 3a | 2 | 3 | 4 | 4 | 2 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 1 | 2 | 2 | 4 | 3 | 2 | 2 |
| 6a | 4 | 4 | 3 | 1 | 0 | 1 | 2 |
| 7a | 1 | 1 | 2 | 2 | 1 | 0 | 0 |
| 8a | 0 | 1 | 2 | 1 | 2 | 0 | 0 |
| 9a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10a | 1 | 0 | 0 | 0 | 1 | 1 | 1 |
| 11a | 1 | 1 | 0 | 0 | 0 | 1 | 1 |
| 12p | 0 | 1 | 1 | 0 | 0 | 0 | 1 |
| 1p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3p | 2 | 1 | 2 | 2 | 3 | 3 | 2 |
| 4p | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
| 5p | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| 6p | 2 | 2 | 4 | 4 | 3 | 1 | 1 |
| 7p | 0 | 1 | 1 | 1 | 0 | 0 | 2 |
| 8p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| 10p | 0 | 0 | 1 | 2 | 2 | 2 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 4 emails)
Based on 153 emails received from Mar 16 to Oct 29, 2026. Times in US Eastern. How we collect · When all brands send
How often iSLEEP sends
The one complete month so far had 79 emails. June, July, August and September were not collected, so they are drawn as gaps and left out.
- Busiest month
- Apr 2026, 79
- Quietest month
- Apr 2026, 79
- Busiest day
- Wednesday, 26
- Quietest day
- Saturday, 18
About iSLEEP
- ESP
- Klaviyo
- Tracked since
- Mar 2026
- Emails collected
- 153
- Emails a week
- about 12
- Last sent
- Oct 29, 2026
- Sends from
- info@
isleephst.com - Subject length
- 42 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 Drake Waterfowldrakewaterfowl.com · Top 500,000 sites | Klaviyo | Top 500,000 sites | about 12 | Wednesday | Oct 29, 2026 | Klaviyo · about 12 a week · busiest Wednesday · last sent Oct 29, 2026 | |
 ILoveDooneyilovedooney.com · Top 100,000 sites | Klaviyo | Top 100,000 sites | about 12 | Thursday | Oct 29, 2026 | Klaviyo · about 12 a week · busiest Thursday · last sent Oct 29, 2026 | |
 ThinOpticsthinoptics.com · Top 1 million sites | Klaviyo | Top 1 million sites | about 12 | Thursday | Oct 29, 2026 | Klaviyo · about 12 a week · busiest Thursday · last sent Oct 29, 2026 |
