Average sunrise time predicts depression prevalence

Citation: Olders H. Average sunrise time predicts depression prevalence. J Psychosom Res. 2003;55:99-105. Abstract: OBJECTIVE: Folk wisdom has it that early rising is associated with being “healthy, wealthy and wise.” A physiologic explanation may be Wiegand’s “Depressiogenic Theory of Sleep,” which posits that excessive REM sleep causes depression. Sleeping late…

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