Sleep and Growth Hormone: The Crucial Connection

The Importance of Sleep for Growth Hormone Release

Walker explains that growth hormone release is primarily sleep-dependent, with a circadian component. It’s an “and gate” – both sleep and nighttime contribute to growth hormone release, but sleep seems to be the more important factor.

Huberman clarifies that if someone sleeps during the day, such as a shift worker, they will still experience growth hormone release, but not as much as if they had slept at night. Walker confirms this, explaining that you can selectively deprive someone of deep sleep at night and significantly reduce their growth hormone release, or have someone sleep during the day and see some growth hormone release, but not as much as if they had slept at night.

The actionable protocol is that everyone should strive to get sufficient quality and quantity of sleep, ideally at night, with a focus on getting enough deep sleep for optimal growth hormone release.

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