What Quitting Artificial Light Taught me About Sleep | Linda Geddes | TEDxBristol

Light bulbs, television, smart phones, shift work: these modern habits have dramatically altered our relationship with the 24-hour cycle of light and dark.

We spend 90% of our lives indoors, where it’s often 15-500 times dimmer than outside, and keep the lights switched on long after sunset. This has important consequences for our sleep, alertness, mood, and recovery from illness. Linda Geddes' TEDx talk unpacks this complex and altered relationship with light and reveals how we can revert to a more traditional way of living (without ditching our digital devices!)

Linda is a Bristol-based journalist writing about the science of birth, death and everything in-between. Her book, Chasing The Sun, explores the impact of sunlight on our bodies and minds. During her research, she spent a long weekend with the Old Order Amish, endured the Polar Night with the surprisingly cheerful residents of Arctic Norway, and stayed awake with bipolar patients on a Milanese psychiatric ward. She also persuaded her family to go cold turkey on artificial light to explore the impact on their sleep and well-being. Linda also has a degree in cell biology and lives in Bristol.

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Dan O'Connell Talk title: What I Learned By Living Without Artificial Light.

Linda Geddes is a Bristol-based journalist writing about the science of birth, death and everything in-between. Her first book, Bumpology, dealt with the birth part; her second, Chasing The Sun, explores the impact of sunlight on our bodies and minds. During her research, she spent a long weekend yard-sale shopping with the Old Order Amish, endured the Polar Night with the surprisingly cheerful residents of Arctic Norway, and stayed awake with bipolar patients on a Milanese psychiatric ward. She also persuaded her family to go cold turkey on artificial light to explore the impact on their sleep and well-being. Linda has a degree in cell biology and lives in Bristol. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

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