Chapter
The Importance of Light on Our Circadian Rhythm
Our body's circadian rhythm is heavily influenced by the light that enters our eyes, specifically a particular quality and amount of blue and yellow light early in the day, which is perceived by retinal ganglion cells and communicated to the suprachiasmatic nucleus.
Clips
Certain retinal ganglion cells perceive light and communicate with the suprachiasmatic nucleus to set our internal clock, which then affects all the organs and tissues of our body.
25:39 - 29:37 (03:57)
Summary
Certain retinal ganglion cells perceive light and communicate with the suprachiasmatic nucleus to set our internal clock, which then affects all the organs and tissues of our body. Getting our cortisol and melatonin rhythms right is crucial for overall health and well-being.
ChapterThe Importance of Light on Our Circadian Rhythm
EpisodeMaster Your Sleep & Be More Alert When Awake
PodcastHuberman Lab
Exposure to sunlight triggers the activation of certain cells in our body that affect our overall wellbeing.
29:37 - 31:31 (01:54)
Summary
Exposure to sunlight triggers the activation of certain cells in our body that affect our overall wellbeing. Getting outside and viewing sunlight, particularly when the sun is low in the sky and emits contrasting blues and yellows, can be beneficial for our health.
ChapterThe Importance of Light on Our Circadian Rhythm
EpisodeMaster Your Sleep & Be More Alert When Awake
PodcastHuberman Lab
Exposing your eyes to blue and yellow light early in the day helps regulate your circadian rhythm, and artificial lighting can simulate this effect.
31:31 - 36:22 (04:50)
Summary
Exposing your eyes to blue and yellow light early in the day helps regulate your circadian rhythm, and artificial lighting can simulate this effect. This can be achieved in as little as 30 to 60 seconds.
ChapterThe Importance of Light on Our Circadian Rhythm
EpisodeMaster Your Sleep & Be More Alert When Awake
PodcastHuberman Lab
The speaker emphasizes the importance of getting sunlight exposure within 2-10 minutes after waking up to regulate circadian rhythm effectively.
36:22 - 38:03 (01:40)
Summary
The speaker emphasizes the importance of getting sunlight exposure within 2-10 minutes after waking up to regulate circadian rhythm effectively. Blue light generated by ring lights and sunrise simulators may not be as effective as direct sunlight exposure.