Chapter
How day length affects our hormones
10:34 - 19:07 (08:32)
Our hormones like melatonin, testosterone, and estrogen are influenced by the oscillatory events related to day length, which affects our mood, outlook, and behavior. Studies have shown that the amount of testosterone and estrogen humans make varies across the calendar year, with more being produced in longer days than shorter days.
Clips
In this podcast, sleep expert Matthew Walker explains how light is a powerful modulator of melatonin, and how the amount and duration of melatonin released varies with the length of the day and the brightness of light exposure.
10:34 - 13:49 (03:14)
Summary
In this podcast, sleep expert Matthew Walker explains how light is a powerful modulator of melatonin, and how the amount and duration of melatonin released varies with the length of the day and the brightness of light exposure.
ChapterHow day length affects our hormones
EpisodeTime Perception & Entrainment by Dopamine, Serotonin & Hormones
PodcastHuberman Lab
The skin acts as an endocrine organ and getting light on the skin, not just to the eyes, can influence our sense of wellbeing by hormone pathways.
13:49 - 17:42 (03:52)
Summary
The skin acts as an endocrine organ and getting light on the skin, not just to the eyes, can influence our sense of wellbeing by hormone pathways. Our bodies are also entrained to the circadian time cycle, which is a 24-hour rhythm.
ChapterHow day length affects our hormones
EpisodeTime Perception & Entrainment by Dopamine, Serotonin & Hormones
PodcastHuberman Lab
Every cell in our body has a circadian clock that regulates gene expression on a 24-hour cycle, which is controlled by biological molecules.
17:43 - 19:07 (01:23)
Summary
Every cell in our body has a circadian clock that regulates gene expression on a 24-hour cycle, which is controlled by biological molecules. These clock genes, such as per and clock, are responsible for regulating various functions in the body.