Chapter

The Link Between Sleep and Light Exposure
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26:34 - 39:38 (13:03)

The light-dark cycle regulates our sleep, and changes in this cycle can modulate our sleep patterns. Sleep scientists have been able to detect the arrow of causality between sleep and issues, such as depression and circadian rhythm disorders, by studying the effects of light exposure on sleep.

Clips
Our body's tissues have their own melatonin receptors, and in darkness, the pineal gland synthesizes melatonin which relays the signal of darkness throughout the body.
26:34 - 30:17 (03:43)
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Body Clocks
Summary

Our body's tissues have their own melatonin receptors, and in darkness, the pineal gland synthesizes melatonin which relays the signal of darkness throughout the body. The body has evolved timing systems to help anticipate daily changes in the environment, such as changes in light exposure and predation risk, which regulate the body's clock, affecting various body functions.

Chapter
The Link Between Sleep and Light Exposure
Episode
#027 - Dr Greg Potter - The Definitive Guide To Sleep
Podcast
Modern Wisdom
Seasonal changes in daylight can affect an individual's sleep patterns due to the body's reliance on physical cues from the environment such as light and dark.
30:17 - 36:35 (06:18)
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Sleep cycles
Summary

Seasonal changes in daylight can affect an individual's sleep patterns due to the body's reliance on physical cues from the environment such as light and dark. Depriving a person of sleep for one night can lead to a strong increase in the pressure to sleep.

Chapter
The Link Between Sleep and Light Exposure
Episode
#027 - Dr Greg Potter - The Definitive Guide To Sleep
Podcast
Modern Wisdom
Sleep scientists are developing ways to detect causality between sleep and health outcomes.
36:35 - 39:38 (03:02)
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Sleep
Summary

Sleep scientists are developing ways to detect causality between sleep and health outcomes. Evidence shows that serotonin signaling and metabolites are affected by sleep loss.

Chapter
The Link Between Sleep and Light Exposure
Episode
#027 - Dr Greg Potter - The Definitive Guide To Sleep
Podcast
Modern Wisdom