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For many women in midlife, changes in sleep patterns, energy levels, and even weight can feel confusing and frustrating. What’s often overlooked is how menopause and modern life together disrupt our natural circadian rhythms—the internal clocks that regulate nearly every system in the body.

When circadian rhythms fall out of sync, it doesn’t just affect sleep; it can also impact hormonal balance, mood, metabolic health, and even long-term disease risk. Yet most of us have no idea how much these hidden clocks influence our daily lives—or how to get them back on track.

In this episode, I’m joined by longtime friend and science journalist Lynne Peeples, author of The Inner Clock: Living in Sync with Our Circadian Rhythms. Lynne shares what inspired her to dive into the science of circadian rhythms, why menopause can further dampen our internal clocks, and the powerful strategies she uses to realign them. We also explore the emerging research on time-restricted eating, medication timing, and how small daily shifts can help improve sleep, mood, and overall health.

References

Center for Environmental Therapeutics

Connect with Lynne Peeples

The Inner Clock: Living in Sync with Our Circadian Rhythms by Lynne Peeples

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Eastside Menopause & Metabolism

00:40 - Dr. Patil-Sisodia welcomes longtime friend Lynne Peeples to discuss her new book, The Inner Clock, and the powerful impact of circadian rhythms on our health.

02:52 - Lynne shares what sparked her interest in circadian rhythms.

07:40 - We learn how the timing of certain medications can impact their effectiveness, with some showing better results when taken at specific times of day.

11:35 - Lynne explains that circadian rhythms involve multiple internal clocks, and our chronotype is based on how we respond to light and sleep patterns.

16:06 - Find out how shift work and modern life disrupt our circadian rhythms, affecting health and chronotype.

20:08 - How circadian science, particularly time-restricted eating, shows promise in improving metabolic health by aligning eating windows with natural body rhythms.

24:38 - Lynne explains how menopause dampens circadian rhythms, affecting hormones, sleep, and metabolic health.

28:04 - Lynne shares the strategies she uses to improve her circadian rhythms, including 3 key lifestyle adjustments that support better sleep and overall health.

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