The Circadian Rhythm: Governed by Two Primary Forces

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Sleep is governed by two primary forces: the homeostatic drive for sleep which increases with each hour awake, and the circadian rhythm which operates on an approximate 24-hour cycle. The circadian system, regulated by the suprachiasmatic nucleus in the brain, is affected by light entering the eyes triggering the secretion of melatonin. The timing of sleep is crucial as many bodily functions including heart rate and body temperature operate on a circadian rhythm. Disruptions like the daylight saving time change can lead to decreased sleep duration, affecting overall alertness, productivity, and health.

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In this episode, Peter, Tom, and Dr. Rebecca discuss the importance of sleep as a universal superpower, its optimal duration, what you need to do to get a good night’s sleep, and the consequences of sleep deprivation.

03:38 | Sleep: Health's Essential Pillar
09:48 | Questions on Melatonin Use
21:29 | Essential Tips for Good Sleep

Tom Hale is the CEO of Oura, a company known for its smart rings and apps to track sleep, activity, and other health metrics. He has a rich background in engineering and product management, with previous roles at Riot Games, SurveyMonkey, and HomeAway. Under his leadership, Oura has gained recognition for its innovative technology, including being listed as one of Fast Company's Most Innovative Companies in 2021.

Dr. Rebecca Robbins is a renowned sleep researcher, author, and consultant, currently an associate scientist at Brigham and Women's Hospital and an instructor at Harvard Medical School. Her research delves into sleep's impact on cognitive and athletic performance, as well as overall health. She co-authored "Sleep for Success!" and is a prominent speaker and consultant, aiding organizations in enhancing sleep habits and productivity, with features in major media outlets.

Learn more about Oura.

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