Episode
How To Increase Fertility (For Males & Females!), How Much Sleep Is Too Much (Or Too Little)? & A "Minimalist" Approach To Increasing VO2 Max! Solosode #506
- Podcast
- Boundless Life
- Published
- Sep 19, 2026
- Duration seconds
- 2507
- Processing state
not_requested- Canonical source
- https://omny.fm/shows/ben-greenfield-life/506
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Summary
Full show notes: BenGreenfieldLife.com/506 In this episode, you'll discover three things I've been asked about constantly: whether the melatonin heart failure headline is worth worrying about, how much sleep is actually too much or too little, and the shortest route to a higher VO2 max. I break down what the melatonin study did and did not reveal, why a key prescription detail changes how the findings should be interpreted, and why I still use high-dose melatonin for jet lag. Then I move to VO2 max, including the Norwegian 4x4 explained the way I used to coach it, what the sprint interval research says about doing it faster, and the tools that work beyond exercise, from heat acclimation to altitude to correcting an iron deficiency. You'll also hear what a new Nature study of half a million people found about the 6.4 to 7.8 hour sleep window, and why I still sleep less than that on purpose. Finally, fertility for men and women. On the male side, scrotal temperature, timing intercourse around ovulation, the lubricant problem nobody mentions, and the supplements with real human data behind them, from L-carnitine and CoQ10 to zinc and shilajit (use code GREENFIELD for free shipping). On the female side, ovulation tracking, acupuncture, CoQ10 before egg retrieval , and inositol. Plus how to preserve fertility if you're on testosterone replacement therapy (TRT). Episode Sponsors: BIOptimizers Magnesium Breakthrough Advanced 10 : Ten bioavailable forms of magnesium with active vitamin B6 and ionic trace minerals to support uptake, sleep, recovery, stress, and metabolic health. Go to bioptimizers.com/ben and use code ben15 for 15% off any order. Timeline : Give your cells new life with Mitopure, Timeline's powerful ingredient that unlocks a precise dose of the rare Urolithin A…