So many questions that need good answers:

• Why do so many schools have no windows when natural light is critical to growth and brain development?
• What happens to performance when athletes have to travel to new time zones before a big game?
• Does a 5 o'clock shadow really happen at 5 o'clock? (spoiler: it does!)

My guest today, Lynne Peeples, wrote the book that can answer these questions and more: The Inner Clock: Living In Sync With Our Circadian Rhythms. Lynne is a science journalist whose writing has appeared in The Huffington Post, The Guardian, Scientific American, Nature and other publications, with master's degrees in biostatistics from the Harvard School of Public Health and in science journalism from New York University. She lives in Seattle.

Lynne's dedication to understanding circadian science led her down some fascinating paths as she became her own subject. She wanted to understand what happens when the human body is deprived of any of our normal external cues for light and dark, and the findings are absolutely fascinating.

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Follow: @alltoowellbyerica

Work: www.ericahuss.com