Why Your Brain Won’t Shut Off at Night After 35

Episode Summary

Many women notice that sleep changes dramatically in midlife. In this episode, Peggy Moore (RN and Functional Medicine Consultant) explains why your brain feels “tired but wired” after 35 and how hormones, stress physiology, and nervous‑system signals contribute to those restless nights
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What You’ll Learn

• Why sleep feels different in midlife – Your 25‑year‑old brain isn’t the same as your 45‑year‑old brain. Hormonal buffering decreases, making you more sensitive to stress and stimulation
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• The role of progesterone – Declining progesterone and its calming metabolite allopregnanolone reduce GABA (“slow down” signals) in the brain. This can lead to more nighttime overthinking, anxiety and 2–4 a.m. wake‑ups. 
• Cortisol rhythms matter – Cortisol isn’t the enemy; rhythm is. After years of chronic stress, caregiving and blood‑sugar swings, cortisol stays elevated at night, making you feel exhausted yet wired. 
• Why you wake up at 3 a.m. – Stress hormones, fluctuating blood sugar and a nervous system stuck in “alert” mode often trigger early‑morning awakenings. 
• Nighttime brain filing – Sleep is when your brain reviews the day and consolidates memories. What you focus on before bed (doom‑scrolling, arguing, catastrophizing) is what your brain reinforces overnight. 
• Simple shifts that signal safety – Small habits such as dimming lights, reducing stimulation, journaling, prayer, breathing exercises, stretching, warm music or laughter help your body feel safe enough to power down. 
• Reframing midlife symptoms – Your body isn’t betraying you; it’s adapting. Shifting from “What’s wrong with me?” to “What is my nervous system communicating?” changes how you respond. 

Key Takeaways

• You are not broken – Struggling to sleep isn’t a character flaw; it’s physiology
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• Progesterone decline is real – Early perimenopause often brings lower progesterone, reducing your brain’s calming support. 
• Rhythm over quantity – Cortisol should be high in the morning and low at night. Chronic stress flattens this curve. 
• Your pre‑sleep routine matters – The 30 minutes before bed set the emotional tone for sleep. Avoiding late‑night stressors helps your brain feel safe. 
• Small, consistent actions help – Even 5–10 minutes of calming practices nightly can retrain your nervous system. 
• Be curious, not critical – Midlife isn’t just about hormones; stress load, recovery capacity, blood sugar and safety signals all play a role. 

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

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Why does your brain suddenly feel different in midlife?

If you’ve been forgetting words, walking into rooms with no idea why you’re there, struggling with focus, feeling emotionally overwhelmed, or wondering why your patience disappeared overnight… this episode is for you.

In this episode of Discover Your Personal Power: Hormones, Metabolism & Midlife, Peggy Moore, RN and Functional Medicine Practitioner, breaks down the real biological reasons behind brain fog, mood swings, poor focus, emotional overload, and memory changes in women over 40.

This is not “just aging.”
 And you are not losing your mind.

Peggy explains how inflammation, stress, hormones, sleep, metabolism, cortisol, and blood sugar all affect the brain — especially during perimenopause and menopause.

You’ll learn:

•  Why the brain has its own immune system 
•  How inflammation affects dopamine and serotonin 
•  Why estrogen plays a major role in memory, mood, and focus 
•  The connection between poor sleep and brain fog 
•  Why midlife women feel mentally exhausted even after sleeping 
•  How blood sugar crashes affect motivation and concentration 
•  What insulin resistance does to brain energy 
•  Why your nervous system feels stuck in “survival mode” 
•  Simple ways to calm inflammation and support brain health naturally 

Peggy also explains:

•  The glymphatic system and the brain’s “overnight cleanup crew” 
•  Why stress hormones impact emotional resilience 
•  The relationship between metabolism and cognitive function 
•  Why the brain needs stable fuel to function well 
•  How morning sunlight supports circadian rhythm and brain chemistry 
•  Why calming the nervous system matters for mental clarity 

This episode is packed with relatable midlife moments, science explained in simple language, and practical strategies to help you feel calmer, clearer, and more like yourself again.

Practical Midlife Brain Support Tips

Peggy shares easy strategies to help calm inflammation and support brain function, including:

•  Eating protein and fiber early in the day 
•  Stabilizing blood sugar 
•  Morning sunlight exposure 
•  Creating a “brain shutdown routine” before bed 
•  Supporting deep restorative sleep 
•  Helping the nervous system shift out of chronic stress mode

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

Website: www.moorefunctionalhealthandwellness.com

Facebook: https://www.facebook.com/Peggy.MooreHealthandwellness

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Are you exhausted even though your labs are “normal”?
Do you feel wired at night, drained during the day, foggy, achy, and wondering what happened to your energy after 40?

In this episode of Discover Your Personal Power: Hormones, Metabolism & Midlife, Peggy Moore, RN and Functional Medicine Practitioner, breaks down the surprising connection between Vitamin D, fatigue, hormones, metabolism, circadian rhythm, inflammation, and midlife energy crashes.

Peggy explains why Vitamin D acts more like a hormone than a vitamin, why so many women are deficient or functionally low, and why “normal” lab ranges don’t always mean your body is thriving.

This episode dives into:

•  Vitamin D deficiency symptoms in women over 40 
•  Why midlife women often feel exhausted despite normal labs 
•  The connection between Vitamin D, hormones, metabolism, and inflammation 
•  How stress, poor sleep, indoor lifestyles, and hormonal shifts impact energy 
•  Vitamin D and blood sugar regulation 
•  Circadian rhythm and morning sunlight exposure 
•  Why sunlight matters for mood, energy, sleep, and nervous system regulation 
•  The difference between surviving and actually feeling good 
•  Simple lifestyle shifts that support energy naturally 

Peggy also explains:

•  Why your body is not broken 
•  Why pushing harder is not the answer 
•  How your body adapts to stress before it crashes 
•  Why small consistent changes matter more than perfection 

If you’re tired of being told everything is “fine” while still feeling exhausted, this episode will help you better understand your physiology and start supporting your body instead of fighting against it.

Mentioned in This Episode

•  Circadian rhythm 
•  Morning sunlight exposure 
•  Nervous system regulation 
•  Blood sugar stability 
•  Midlife metabolism 
•  Hormonal shifts after 40 
•  Functional medicine approach to fatigue

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

Website: www.moorefunctionalhealthandwellness.com

Facebook: https://www.facebook.com/Peggy.MooreHealthandwellness

Instagram: https://www.instagram.com/moorehealthandwellness/

Linkedin: www.linkedin.com/in/peggy-moore-5b295247

If you’re a midlife woman dealing with fatigue, stubborn belly fat, poor sleep, or feeling like your body just isn’t responding the way it used to…

👉 This is not a discipline problem.
 👉 This is a physiology problem.

In this episode of Discover Your Personal Power: Hormones, Metabolism & Midlife, Peggy Moore, RN and Functional Medicine Practitioner, breaks down the science-backed benefits of sauna therapy and why it may be one of the most overlooked tools for supporting your hormones, metabolism, and nervous system after 40.

You’ll learn how sauna use impacts:

•  Cortisol and chronic stress 
•  Blood sugar stability and cravings 
•  Cardiovascular health and circulation 
•  Nervous system regulation and resilience 
•  Fat loss (without pushing harder) 

This episode goes beyond “self-care” and explains how sauna works as a biological input—helping your body shift out of survival mode and into a state where healing, energy, and fat loss can actually happen.

👉 Because your body isn’t broken… it’s responding.

And once you understand how to work with it—you change everything.

🔥 What You’ll Learn in This Episode

•  Why sauna mimics a cardiovascular workout (without exercise) 
•  How heat exposure supports hormone balance in midlife 
•  The connection between cortisol, stress, and weight gain 
•  Why your metabolism slows under chronic stress 
•  How sauna helps retrain your nervous system 
•  The truth about “detox” and what your body actually needs 
•  How to use sauna safely and effectively (simple guidelines) 

🧠 Key Takeaway

Fat loss, energy, and hormone balance don’t come from pushing harder…

👉 They come from creating an internal environment where your body feels safe enough to function properly.

• Laukkanen, T., et al. (2015). Association Between Sauna Bathing and Fatal Cardiovascular Events. JAMA Internal Medicine.
•  Laukkanen, T., et al. (2017). Sauna Bathing and Risk of Dementia and Alzheimer’s Disease. Age and Ageing.
•  Pilch, W., et al. (2013). The Influence of Sauna Bathing on Hormonal and Physiological Responses. Journal of Human Kinetics.

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

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This episode is dedicated to all my clients who told me they were disappointed in themselves this week because they "should" be doing XYZ. 

 Why does trying harder not work in midlife? 

In this episode, we explore “the shoulds”—the internal thoughts like “I should eat less” or “I should work out more”—and how they may be creating stress signals in your body that lead to fatigue, weight resistance, and poor sleep. 

You’ll learn how to shift from pressure-based thinking to understanding what your body is actually responding to.   

This episode is for you. 

Because those “shoulds” might actually be part of what’s keeping your body stuck. 

In midlife, your hormones, metabolism, stress response, and gut all shift—and if you’re still trying to follow old rules, your body may push back instead of respond. 

In this episode, I break down: 

✨ Why “the shoulds” are just learned thoughts—not facts
 ✨ How pressure-based thinking creates stress signals in the body
 ✨ The connection between your thoughts, cortisol, and metabolism
 ✨ Why trying harder often backfires in midlife
 ✨ How to shift from “what should I do?” to “what is my body responding to?” 

This is one of the biggest patterns I’m seeing with women inside my 12-Week Midlife Metabolism Reset—and once you see it, everything starts to make sense.  

💛 FREE DOWNLOAD:
Grab your free Shoulds Reset Guide to start shifting from pressure → support today:
👉 The "Shoulds" Reset Guide 

And if this episode felt like it was describing you… 

👉 that’s usually not random. 

You don’t have to figure this out alone. 

👉 Schedule a call with me here: https://tinyurl.com/chatwithpeggy

💛 Free download: The Shoulds Reset Guide
 

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

Website: www.moorefunctionalhealthandwellness.com

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 You’ve been told your labs are “normal”…
 So why do you still feel exhausted, foggy, and out of sync with your body? 

In this episode of Discover Your Personal Power: Hormones, Metabolism & Midlife, Peggy Moore—Registered Nurse and Functional Medicine Practitioner—breaks down the early signs of insulin resistance that often show up years before blood sugar or A1C levels change. 

If you’ve ever experienced:
 ✔ That 2–4PM energy crash
 ✔ Intense sugar cravings
 ✔ Brain fog after meals
 ✔ Waking up at 3AM
 ✔ Stubborn weight gain (especially in the midsection) 

…your body may be sending signals—not failing. 

This episode connects the dots between hormones, metabolism, stress, and blood sugar, helping you understand what’s really happening beneath the surface. 

💡 You’ll learn:
 • What insulin actually does in your body
 • Why “normal labs” don’t always mean optimal health
 • Early warning signs of metabolic dysfunction
 • Simple, foundational steps to support your metabolism 

Your body isn’t broken—it’s communicating.
 And when you understand the signals, you can start working with your body instead of against it.  

📚 Research Referenced 

•  Petersen MC & Shulman GI. (2018). Mechanisms of insulin resistance. The Lancet. 
•  Czech MP. (2016). Insulin action and hyperinsulinemia. Cell. 
•  Arnold SE, et al. (2020). Insulin resistance and brain metabolism. Nature Reviews Endocrinology. 

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

Website: www.moorefunctionalhealthandwellness.com

Facebook: https://www.facebook.com/Peggy.MooreHealthandwellness

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If you’ve been dealing with fatigue, brain fog, cravings, blood sugar crashes, or feeling “off,” this episode will help you understand what’s actually happening inside your body—and what to do about it. 

In this episode of Discover Your Personal Power: Hormones, Metabolism & Midlife, Peggy Moore, RN and Functional Medicine Practitioner, breaks down how ultra-processed foods send stress signals through your body—and why midlife can make those signals louder. 

Using her signature “dance floor” analogy, Peggy explains how your gut, metabolism, and hormones are designed to work in rhythm… until modern food disrupts the beat. 

You’ll learn:
 ✨ Why ultra-processed foods create inflammation and energy crashes
 ✨ How your gut microbiome impacts metabolism and hormones
 ✨ Simple, realistic shifts to support energy, digestion, and balance
 ✨ Why your body craves consistency—not perfection 

This isn’t about restriction. It’s about restoring rhythm. 

Because your body isn’t failing…
 👉 it’s adapting to the signals you give it. 

🎧 Tune in and start working with your body—not against it. 

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

Website: www.moorefunctionalhealthandwellness.com

Facebook: https://www.facebook.com/Peggy.MooreHealthandwellness

Instagram: https://www.instagram.com/moorehealthandwellness/

Linkedin: www.linkedin.com/in/peggy-moore-5b295247

If you’ve been feeling bloated, tired, inflamed, and just not like yourself in midlife… this episode explains why.

In this episode of Discover Your Personal Power: Hormones, Metabolism & Midlife, Peggy Moore, RN and Functional Medicine Practitioner, breaks down chronic inflammation — the hidden driver behind weight gain, fatigue, brain fog, poor sleep, and hormonal changes after 40.

You’ll learn the difference between acute and chronic inflammation, how estrogen decline, stress, sleep disruption, and blood sugar impact your body, and why your labs may still look “normal” even when you don’t feel right.

Most importantly, you’ll understand how inflammation affects your metabolism, hormones, and energy — and what simple steps can help calm your system without extreme dieting.

If you’re a woman over 40 wondering why your body feels different, this episode will help you understand your biology so you can stop fighting your body and start working with it.

References: 

Cybulska, et al, (2025).  Systemic inflammation...
 https://doi.org/10.3390/nu17172885 

Lephart, E. D. (2026).  Assessing the roles of Aging.... https://doi.org/10.3390/ijms27031239

McCarthy, M., & Raval, A. P. (2020). The Perimenopause in a woman's life...
 https://doi.org/10.1186/s12974-020-01998-9

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

Website: www.moorefunctionalhealthandwellness.com

Facebook: https://www.facebook.com/Peggy.MooreHealthandwellness

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Linkedin: www.linkedin.com/in/peggy-moore-5b295247

If you’re a woman in midlife feeling overwhelmed, anxious, wired but tired, or waking up at 3AM wondering what’s wrong with you—this episode will change how you understand your body.

In this episode, Peggy Moore, RN and Functional Medicine Practitioner, breaks down the science of emotions, brain chemistry, and cortisol in a simple, relatable way. You’ll learn how your thoughts directly influence your brain, trigger stress hormones like cortisol, and shape how your body feels.

We explore why midlife makes emotional regulation more challenging, how unprocessed stress keeps your body in a constant state of alert, and why habits like overeating, scrolling, or drinking are actually your brain seeking relief.

You’ll also learn a simple 4-step process to regulate emotions, reduce stress, and support your nervous system so your body can feel safe again.

Because your body isn’t broken—it’s responding.

Keywords: midlife health, cortisol, stress, hormones, emotional regulation, brain chemistry, sleep issues, women over 40, functional medicine, anxiety, metabolism

Barrett, L. F. (2017). How emotions are made.
 Damasio, A. R. (1999). The feeling of what happens.
 Doidge, N. (2007). The brain that changes itself.

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

Website: www.moorefunctionalhealthandwellness.com

Facebook: https://www.facebook.com/Peggy.MooreHealthandwellness

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What’s Up With Magnesium… and Why It Might Not Be Working for You (Women Over 40)

If you’re a woman over 40 struggling with sleep, waking up at 3AM, feeling wired but exhausted, or dealing with anxiety and restlessness…

👉 you’ve probably been told to take magnesium.

But what does magnesium actually do—and why does it work for some women and not others?

In this episode, Peggy Moore, Registered Nurse and Functional Medicine Practitioner, breaks down magnesium in a simple, relatable way so you can finally understand how it supports your nervous system, sleep, and midlife metabolism.

Because magnesium isn’t a sleeping pill… it helps your body slow down.

💛 What You’ll Learn

✔ Why magnesium is essential in midlife
 ✔ How it supports sleep, anxiety, and relaxation
 ✔ The connection to “wired but tired”
 ✔ Why many women are low in magnesium
 ✔ The different types (glycinate, citrate, oxide, threonate)
 ✔ How to choose the right type for your needs
 ✔ Recommended doses for sleep and overall health
 ✔ Why supplement quality matters
 ✔ Why magnesium alone won’t fix poor sleep habits

🧠 Key Takeaway

👉 Magnesium isn’t about taking more…
👉 it’s about taking the right type for your body

🥑 Magnesium-Rich Foods

Pumpkin seeds, almonds, leafy greens, beans, avocado, and dark chocolate are all great sources—but many women still fall short in daily intake.

💊 Quick Guide

Magnesium glycinate: 100–300 mg (sleep + calm)
Magnesium citrate: 150–400 mg (digestion support)
Magnesium threonate: 1,000–2,000 mg compound (brain support)
Magnesium oxide: poorly absorbed

⚠️ Important

Magnesium supports your system—but it won’t override:

❌ high stress
 ❌ late caffeine
 ❌ inconsistent sleep
 ❌ scrolling in bed

💛 Free Masterclass

Ready to understand what’s really happening in your body?

👉 Join my free Midlife Metabolism Masterclass

https://www.eventbrite.com/e/1986382867629?aff=oddtdtcreator

📚 Research Referenced

Uwitonze & Razzaque (2018), Nutrients
 Abbasi et al. (2012), Journal of Research in Medical Sciences
 Gröber et al. (2020), Nutrients
 Rondanelli et al. (2021), Nutrients

 If you found this episode helpful, follow the podcast and share it with a friend who may need it. 

Check us out on Youtube:  https://www.youtube.com/@peggymoorehealthandwellness

Website: www.moorefunctionalhealthandwellness.com

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