Chapter
The Importance of Early Morning Sunlight
14:52 - 24:06 (09:14)
Bright light is essential for signaling the wake-up mechanisms in the body, including the production of cortisol, which is why exposure to sunlight within the first 30 to 60 minutes after waking up is ideal to help regulate the sleep-wake cycle.
Clips
Exposure to bright light, particularly within the first 30 to 60 minutes after waking, can signal to the super chiasmatic nucleus in your mouth and set in motion a timer for you to fall asleep later that night by triggering a cortisol increase, providing a wake-up signal for your brain and body.
14:52 - 18:44 (03:52)
Summary
Exposure to bright light, particularly within the first 30 to 60 minutes after waking, can signal to the super chiasmatic nucleus in your mouth and set in motion a timer for you to fall asleep later that night by triggering a cortisol increase, providing a wake-up signal for your brain and body.
ChapterThe Importance of Early Morning Sunlight
EpisodeSleep Toolkit: Tools for Optimizing Sleep & Sleep-Wake Timing
PodcastHuberman Lab
Looking towards the sun early in the day can trigger the mechanisms necessary for regulating our sleep-wake cycle, however it is important to avoid looking at any light that is painfully bright in order to protect our eyes.
18:44 - 20:17 (01:33)
Summary
Looking towards the sun early in the day can trigger the mechanisms necessary for regulating our sleep-wake cycle, however it is important to avoid looking at any light that is painfully bright in order to protect our eyes.
ChapterThe Importance of Early Morning Sunlight
EpisodeSleep Toolkit: Tools for Optimizing Sleep & Sleep-Wake Timing
PodcastHuberman Lab
Getting enough sunlight early in the day, especially on cloudy days, is crucial for waking up properly and helping to regulate sleep at night.
20:17 - 24:06 (03:48)
Summary
Getting enough sunlight early in the day, especially on cloudy days, is crucial for waking up properly and helping to regulate sleep at night. Artificial lights generally won't be sufficient and there are many studies showing the importance of light exposure on wakefulness and sleep quality.