1KHO 894: The Sun is the Great Healer of Healers | Linda Geddes, Chasing the Sun

2026-08-20

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What if one of the simplest ways to sleep better, feel more alert, and support our health is something humans have been doing forever—following the sun? Ginny sits down with British science journalist Linda Geddes, author of Chasing the Sun, to explore how profoundly light shapes our bodies, from circadian rhythms and melatonin to mood, energy, and sleep. Linda shares what happened when she increased her daytime light exposure and dramatically reduced artificial light at night—and how quickly her internal clock responded. They exp...

Linda shares what happened when she increased her daytime light exposure and dramatically reduced artificial light at night—and how quickly her internal clock responded. They explore why even a gloomy day outdoors is far brighter than our indoor environments, how our relationship with winter affects us, and the surprisingly powerful connection between outdoor time and childhood myopia.

This fascinating conversation reveals just how disconnected modern life has become from the natural rhythms our bodies evolved to follow—and how simple changes like getting outside in the morning, spending more time in daylight, and dimming the lights at night can help bring us back into sync.

Don't miss Linda's book here!

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