Sleep, Testosterone, and Athletic Performance: The Research
Cutting sleep from 8 hours to 5 drops testosterone by 10-15% within a week. The downstream effects on training are predictable — and avoidable.
Category
Performance
How elite athletes, executives, and high-performers use sleep, breathing, and recovery to outwork people with more talent. Sleep is the cheapest performance lever — and the most overlooked.
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Articles in Performance
Sleep for Endurance Athletes: The 9-Hour Recovery Standard
Elite endurance coaches now prescribe 9+ hours of sleep nightly. The data on athletic performance and sleep duration is striking.
Sleep and Muscle Growth: How Much You're Leaving on the Table
Growth hormone, testosterone, and muscle protein synthesis all peak during deep sleep. Cutting sleep cuts gains by a measurable margin.
NFL Players Mouth Tape: Why Elite Athletes Sleep with Tape
Pro athletes are notoriously protective of recovery. A growing number tape their mouths every night. The why is more interesting than the trend.
Why Athletes Are Switching to Nasal Breathing
Elite endurance athletes are trading mouth-breathing for nose-only training. The performance data is starting to back the conversion.