EPISODE · Jul 9, 2026 · 20 MIN
The 24-Hour Body Clock That Controls Your Weight, Sleep & Energy
from Project Weight Loss · host Fina Perez
Send us Fan MailIn this episode, I am offering something that has genuinely changed the way I think about my body — the circadian rhythm. I share what this 24-hour internal clock actually is, why researchers say it runs everything from your metabolism and hormones to your sleep and immunity, and how understanding it gave me a whole new perspective on the ongoing conversation around meal timing and breakfast. I walk through a few practical strategies rooted in circadian science that you can simply be aware of and explore in your own life.And yes — I am raising my hand on the late-night phone habit, because that quote of the week? It hit home for me too. Come learn something new about the incredible, intelligent design of your own body.QUOTE OF THE WEEK“Studies have shown that every hour you’re still on your mobile phone, tablet, laptop, or watching TV at night, melatonin is suppressed by 30 minutes.”— Dr. Satchin Panda, The Circadian CodeCITATIONS · Panda, S. (2019). The Circadian Code: Lose Weight, Supercharge Your Energy, and Transform Your Health from Morning to Midnight. Rodale Books.· Circadian rhythm science and the suprachiasmatic nucleus (SCN): National Institute of General Medical Sciences (NIGMS). Circadian Rhythms. U.S. Department of Health and Human Services. https://www.nigms.nih.gov/education/fact-sheets/Pages/circadian-rhythms.aspx· Insulin sensitivity and meal timing: Saad, A., et al. (2012). Diurnal pattern to insulin secretion and insulin action in healthy individuals. Diabetes, 61(11), 2691–2700.· Circadian disruption and metabolic health: Scheer, F. A. J. L., Hilton, M. F., Mantzoros, C. S., & Shea, S. A. (2009). Adverse metabolic and cardiovascular consequences of circadian misalignment. Proceedings of the National Academy of Sciences, 106(11), 4453–4458.· Shift work and health outcomes: Wang, X. S., Armstrong, M. E. G., Cairns, B. J., Key, T. J., & Travis, R. C. (2011). Shift work and chronic disease: the epidemiological evidence. Occupational Medicine, 61(2), 78–89.· Social jet lag: Wittmann, M., Dinich, J., Merrow, M., & Roenneberg, T. (2006). Social jetlag: misalignment of biological and social time. Chronobiology International, 23(1-2), 497–509.· Melatonin suppression and blue light/screens: Harvard Health Publishing. (2020). Blue light has a dark side. Harvard Medical School. https://www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side· https://www.goodreads.com/work/quotes/59135872-the-circadian-code-lose-weight-supercharge-your-energy-and-transformLet’s go, let’s get it done.Get more information at: http://projectweightloss.org
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Send us Fan Mail In this episode, I am offering something that has genuinely changed the way I think about my body — the circadian rhythm. I share what this 24-hour internal clock actually is, why researchers say it runs everything from your metabolism and hormones to your sleep and immunity, and how understanding it gave me a whole new perspective on the ongoing conversation around meal timing and breakfast. I walk through a few practical strategies rooted in circadian science th...
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The 24-Hour Body Clock That Controls Your Weight, Sleep & Energy
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