How to Create Optimal Sleep for Longevity: Sleep Hygiene, Co-Sleeping and Sex | The Longevity Protocol Ep. 41

About this episode

This episode explores the critical role of sleep in longevity and the physiological processes involved in achieving high-quality sleep.

Why is sleep so elusive for so many of us—and what are the long-term consequences if we don’t get it right? In this episode of The Longevity Protocol , we break down the science behind one of the most important—and most overlooked—foundations of longevity: sleep . Research shows that sleep is not simply “rest.” It’s an active biological repair state that regulates hormone balance, metabolic health, immune function, and even the brain’s ability to clear toxic waste products. During deep sleep, the brain’s glymphatic system becomes significantly more active, helping remove proteins like beta-amyloid and tau that are linked to neurodegenerative disease. At the same time, critical hormones—including growth hormone, testosterone, cortisol, melatonin, leptin, and ghrelin—are tightly regulated by sleep architecture and circadian rhythms. But when sleep becomes fragmented or chronically restricted, those systems quickly begin to break down. Even a week of reduced sleep can lower testosterone, impair insulin sensitivity, elevate cortisol, and disrupt appetite regulation—creating a cascade of metabolic and hormonal consequences that accelerate biological aging. This episode goes beyond…

People in this episode

Hosts: Dr. Cristina Romero-Bosch, Dr. John A. Robinson

Topics covered

• sleep
• longevity
• sleep hygiene
• circadian rhythms
• hormonal balance
• metabolic health

Keywords

• sleep
• longevity
• hormones
• circadian rhythm
• sleep hygiene
• metabolic health
• neurodegenerative disease

Mentioned in this episode

Books & works: The Longevity Protocol

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