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The Dr. Hyman Show
This Is Why You’re Not Sleeping Well—and How to Fix It Fast
Nov 4, 2024
Join neuroscientist Andrew Huberman, entrepreneur Bryan Johnson, and sleep expert Dr. Cindy Geyer as they dive into the science of sleep. They discuss how light, food, and stress impact sleep quality. Learn about the crucial roles of slow-wave and REM sleep in mental and physical health. The conversation also highlights practical tips for changing your sleep habits and the detrimental effects of alcohol and caffeine on rest. Together, they reveal why a good night's sleep is essential for cognitive health and overall well-being.
01:00:45
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Quick takeaways
- Sleep is vital for brain health, helping repair and protect against cognitive decline while managing amyloid plaque accumulation linked to dementia.
- Chronic stress and hormonal imbalances significantly disrupt sleep quality, making it essential to develop strategies for managing stress effectively.
Deep dives
The Impact of Sleep on Brain Health
Sleep plays a critical role in brain health, particularly in the context of neurodegenerative diseases such as Alzheimer's. During sleep, especially during slow-wave sleep, the body repairs itself, releases growth hormones, and clears out amyloid plaques—sticky substances whose accumulation is linked to dementia. Lack of adequate sleep can lead to poor cognitive functions and increase the risk of neurodegenerative diseases, emphasizing the importance of prioritizing quality sleep for brain health. Furthermore, the disconnection between sleep disruptions and chronic stress hormones like cortisol further highlights the significance of restful nights.
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Discover
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Listen to the best highlights from the podcasts you love and dive into the full episode