Episode
The Exhausted Mom’s Guide to Anemia, Circadian Rhythms, and Polyphasic Sleep
- Published
- May 20, 2026
- Duration seconds
- 2671
- Processing state
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Summary
Sarah hosts Nikko Kennedy on the Evolving Wellness podcast to discuss motherhood, preconception, and sleep, emphasizing how optimizing light and darkness can support polyphasic sleep and help mothers function despite frequent night wakings. Nikko argues modern expectations of consolidated 8-hour sleep and nighttime screen use worsen fatigue, while extended time in dim darkness (often 10–14 hours postpartum) can improve resilience, weight loss, and overall endocrine and metabolic health. They connect sleep to anemia, noting over 90% of new red blood cells come from recycled iron, with inflammation-regulated hepcidin limiting iron use regardless of supplementation; they highlight the roles of mitochondria, liver, spleen, and bone marrow and the need for nighttime darkness. They also touch on community/social cues, dad’s health and placental outcomes, pregnancy blood volume expansion, and mixed experiences with desiccated organ supplements. — Connect with Nikko: https://substack.com/@nikkokennedy?r=5eztl9&utm_campaign=profile&utm_medium=profile-page https://www.instagram.com/brighterdays.darkernights/ YOUR COMPLETE SUMMER SUN GUIDE - Free Webinar: https://www.sarahkleinerwellness.com/webinar-your-summer-sun-guide or Scan the QR code at 01:58 _________ Sponsored By: → VivaRays | This episode is sponsored by VivaRays - VivaRays Blue - code YOGI https://vivarays.com/ → Troscriptions | For an exclusive offer, go to https://www.troscriptions.com/SARAHK for 10% off your first non subscription order. _________ Timestamp: 00:00 Coming Up 00:29 Podcast Intro 03:27 Meet Nikko Kennedy 06:04 Why Nikko Helps Moms 13:52 Polyphasic Sleep Basics 16:26 Postpartum Rest Strategy 17:54 Sleep Is Social Screens 22:22 Handling Pushback Privilege 24:17 Jealousy Online 25:44 Iron Recyclin…