Hosts Emma Sullivan and David Park explore the surprising connection between sleep duration and biological aging at the cellular level, breaking down how both too little and too much sleep can accelerate aging markers like telomere shortening and epigenetic changes. They dig into the mechanisms—from your brain's glymphatic waste-clearance system to circadian disruption—and offer practical strategies for the people whose lives don't cooperate with the eight-hour ideal, including the research on strategic napping and sleep consistency. You'll walk away understanding that sleep quality and duration both matter, that the sweet spot is nuanced rather than dogmatic, and that even incremental improvements compound over time.
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