Episode 33: The Connection Between Cortisol, Peptides, and Sleep Quality

The Peptide Research Podcast · Dec 23, 2025 · 11m

Episode 33

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Cortisol is meant to help you wake up and handle stress during the day, not keep you alert when your body is desperate for rest. In this episode, we break down how chronic stress disrupts cortisol’s natural rhythm and why so many people feel exhausted all day but wired at night.

You’ll learn how elevated nighttime cortisol interferes with melatonin, deep sleep, and recovery, leading to fragmented sleep…