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A comment on Sleep regularity is a stronger predictor of mortality risk than sleep duration. Parent comment

Re:Sleep regularity is a stronger predictor of mortality ris... by tedd4u on Wednesday July 15, 2026 @11:21PM (#48929995)
An article exploring research and citations of "first sleep" and "second sleep"

https://www.patheos.com/blogs/geneveith/2013/08/first-sleep-...

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