Optimise podcast

35 // The Science Of Our Inner Clocks, Circadian Rhythms, & Why Your Sleep & Health Depend on Light, with Lynne Peeples

15/03/2025
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In today’s episode, I’m joined by Lynne Peeples, science journalist and author of Inner Clock: Living by the Light of Our Circadian Rhythms. Lynne’s work uncovers the profound impact our body’s internal clocks have on our health, energy, and overall well-being—and how modern life is throwing them off balance.

We cover:

🕑 What exactly is our circadian rhythm?

🕑 What our inner clocks are & why they are important to be in sync

🕑 Why it’s not just “getting natural light in the morning”

🕑 How our inner clocks get off track

🕑 How our indoor environments are impacting our circadian rhythm & wellbeing

🕑 What LUX is & why it’s important to be aware of

🕑 Lynne’s experience living in a bunker for 10 days cut off from any cues of time of day

🕑 As well as camping in Alaska with almost 24 hours of daylight

🕑 The importance of our light & dark cycles & how to optimise each in our daily lives

🕑 What to remember about sleep & circadian rhythms

🕑 Tips whether you are an “early bird” or “night owl”

🕑 What social jet lag is & why it’s a problem

🕑 The negative effects of circadian disruption, acutely & chronically

🕑 Why eating dinner earlier is supportive for our inner clocks + sleep

🕑 The impacts of caffeine & alcohol 

🕑 The exciting concepts if, how or when hospitals utilise circadian rhythm concepts to support their patients

🕑 The three C’s to help you support your inner clocks

whilst also living your life!

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📖 Connect with Lynne Peeples:

Book: Inner Clock: Living by the Light of Our Circadian Rhythms

Website

Instagram

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Connect with me:

IG: @iamsophiekate

Links: https://msha.ke/iamsophiekate

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