Chapter

How Light Affects Your Circadian Rhythm
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27:15 - 34:20 (07:05)

The timing and intensity of light exposure can influence shift in the circadian rhythm, where earlier light exposure can adjust us to rise earlier and vice versa. Melatonin or short days can counter the inhibition of melatonin by light.

Clips
Viewing light during certain times of the day can shift your sleep schedule.
27:15 - 29:33 (02:18)
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Sleep Schedule
Summary

Viewing light during certain times of the day can shift your sleep schedule. Viewing light in the late afternoon can make you want to go to bed earlier and wake up earlier, while viewing light after the so-called temperature minimum can shift your sleep schedule in the opposite direction.

Chapter
How Light Affects Your Circadian Rhythm
Episode
#521: Dr. Andrew Huberman — A Neurobiologist on Optimizing Sleep, Enhancing Performance, Reducing Anxiety, Increasing Testosterone, and Using the Body to Control the Mind
Podcast
The Tim Ferriss Show
Learn how to adjust your body's internal clock to a new time zone by using your temperature minimum and exposure to light at specific times.
29:33 - 31:20 (01:46)
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Travel
Injecting animals with melatonin or decreasing the amount of light they receive can cause their testicles to shrink down to the size of a grain of rice due to melatonin's impact on the sex steroid hormones.
31:20 - 34:20 (03:00)
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Melatonin
Summary

Injecting animals with melatonin or decreasing the amount of light they receive can cause their testicles to shrink down to the size of a grain of rice due to melatonin's impact on the sex steroid hormones.

Chapter
How Light Affects Your Circadian Rhythm
Episode
#521: Dr. Andrew Huberman — A Neurobiologist on Optimizing Sleep, Enhancing Performance, Reducing Anxiety, Increasing Testosterone, and Using the Body to Control the Mind
Podcast
The Tim Ferriss Show