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Why even a short nap can help your brain

Sleep may be the most overlooked productivity tool

Sleep DoctorWednesday, Mar 18, 2026 at 3:30 AM EasternKlaviyo
Sleep DoctorWhy even a short nap can help your brain
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Why even a short nap can help your brain
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Sleep may be the most overlooked productivity tool
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newsletter@sleepdoctor.com
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Wed Mar 18, 2026, 3:30 AM ET
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sleepdoctor.com
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81 KB
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11
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25, 10 of them buttons
Subject length
40 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 40 characters; its average is 37.

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