
Iron Culture
Ep 386 - Sleep, Hypertrophy, and Creatine
New
20 Aug 2026 · 1h 19m
SupplementsMuscle growth
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About this episode
Trexler and Helms dig into sleep and how it intersects with body composition and supplementation. They open on the sleep-and-lifting landscape, then work through the frequently cited 2010 study on insufficient sleep and fat loss, laying out its design and the details behind its dramatic-sounding numbers. From there they discuss what the broader literature does and doesn't establish, the acute effects of sleep restriction on power, skill, and pain perception, and observational data — including sl