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Why sleep becomes lighter as we age

Learn what changes with sleep as we get older

Sleep DoctorMonday, Mar 30, 2026 at 3:30 AM EasternKlaviyo
Sleep DoctorWhy sleep becomes lighter as we age
Subject
Why sleep becomes lighter as we age
Preview text
Learn what changes with sleep as we get older
From
newsletter@sleepdoctor.com
Sent
Mon Mar 30, 2026, 3:30 AM ET
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singularsleep.com, sleepdoctor.com
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76 KB
Images
12
Links
26, 8 of them buttons
Subject length
35 characters

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Sent in the 3 AM hour, which holds 20% of its emails; 23% arrive in the 9 AM hour. The subject is 35 characters; its average is 37.

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