The science of sleep cycles

Preview text: A Deep Dive into REM vs Deep Sleep

Ozlo Sleep

Thursday, Oct 22, 2026 at 4:31 AM EasternKlaviyo

Ozlo SleepThe science of sleep cycles

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Subject: The science of sleep cycles
Preview text: A Deep Dive into REM vs Deep Sleep
From: support@ozlosleep.eu
Brand: Ozlo Sleep
ESP: Klaviyo
Sent: Thu Oct 22, 2026, 4:31 AM ET
Sent to: Europe (ozlosleep.eu)
Size: 44 KB
Images: 13
Links: 14, 8 of them buttons
Subject length: 27 characters

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Sent in the 4 AM hour, which holds 21% of its emails; 25% arrive in the 9 AM hour. The subject is 27 characters; its average is 33.

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From: OZLO Sleep <[email protected]>
Subject: The science of sleep cycles
Date: Thu, 22 Oct 2026 08:31:28 +0000
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