They Sent It

The 10th Anniversary PRO Mask is here

Celebrating a decade of better sleep

Manta SleepThursday, Mar 26, 2026 at 9:00 AM EasternKlaviyo
Manta SleepThe 10th Anniversary PRO Mask is here
Subject
The 10th Anniversary PRO Mask is here
Preview text
Celebrating a decade of better sleep
From
support@mantasleep.com
Sent
Thu Mar 26, 2026, 9:00 AM ET
Sent to
mantasleep.com
Size
56 KB
Images
11
Links
22, 1 of them buttons
Subject length
37 characters

Against Manta Sleep's usual

Sent in the 9 AM hour, which holds 14% of its emails; 19% arrive in the 10 AM hour. The subject is 37 characters; its average is 28.

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Sent just before and after

Apr 10, 2026 6:01 PMYour mask does more than just block light
Apr 7, 2026 6:30 PMTraffic. TVs. Tumble dryers. They've been blocked.
Apr 3, 2026 10:30 AMA day could go two ways
Mar 27, 2026 5:30 PMA rare release to mark 10 years of Manta Sleep
Mar 26, 2026 9:00 AMThe 10th Anniversary PRO Mask is here (this email)
Mar 17, 2026 7:48 AMThe power of better sleep 🛌
Mar 16, 2026 7:47 AMYour pursuit of better sleep isn’t over yet 🌜

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