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April 6, 2025 46 mins

Andrew Colsky and Steve Granger discuss the significance of melatonin in sleep science, focusing on how it can be measured through saliva. Granger explains the innovative methods developed by Salometrics to assess melatonin levels, emphasizing the advantages of saliva testing over traditional blood tests. The discussion also covers the relationship between melatonin and circadian rhythms, the impact of light exposure, and the potential effects of melatonin supplements on sleep quality. The conversation concludes with insights into real-world applications of melatonin testing and future directions for research in this field. In this conversation, Steve Granger discusses the dynamics of melatonin, particularly in relation to cherry juice and its effects on sleep. He emphasizes the importance of understanding melatonin supplementation, especially in children, and introduces a new testing kit that allows individuals to monitor their melatonin levels. The discussion also covers the cost and accessibility of sleep testing, the environmental influences on melatonin production, and the concept of social jet lag. Granger highlights the relationship between insomnia and melatonin levels, offering behavioral recommendations for better sleep. He concludes by discussing the future of salivary testing for health monitoring.

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