Brains and Gains with Dr. David Maconi Dr. Greg Potter on Sleep Debate, Sleep Deprivation, Why We Sleep
Dec 16, 2019
Dr. Greg Potter, PhD in sleep, diet, and metabolic health and sleep coach, joins to dissect Matthew Walker critiques. He debates sleep length and cancer links. He questions reliability of sleep data and wearables. He covers sleep deprivation used in depression therapy, naps, circadian rhythms, testosterone links, exercise effects, and who truly needs more or less sleep.
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Seven Hours Is A Population Sweet Spot But Individual Needs Vary
- At the population level ~7 hours/night appears optimal, but individual needs vary.
- Genetics, season, exercise, and lifestyle shift sleep need; some are legitimate short or long sleepers and requirements are dynamic.
Extend Bedtime To Recover Metabolism Cognitive And Appetite Benefits
- If you habitually restrict sleep, try structured sleep extension and expect benefits.
- Studies show 10-hour time-in-bed boosts insulin sensitivity ~45%, testosterone, cognitive measures, and reduces appetite in habitual short sleepers.
More Sleep Improved Athletic Performance In Multiple Measures
- Sleep extension can improve athletic performance in multiple sports metrics.
- Stanford basketball players aiming for 10 hours saw faster reaction times, improved sprint times, and ~9% better free-throw and 3-point percentages.
