Cooling Down: Managing Stress & Cortisol in the Summer Heat

***Note: This post is a podcast script turned post because of losing my voice to a virus during recording day.****

[Intro Music]

Adrienne (Warm, friendly tone):
Hey friend! Welcome back to another episode of The Balanced Blood Sugar Podcast. I’m your host, Adrienne Wheat—Registered Nurse, holistic wellness guide, and your fellow summer survivalist 😎 here to help you stay cool, calm, and steady—no matter how high the temps rise.
Now, we talk a lot around here about blood sugar, food, and real solutions that work for your body—not just some one-size-fits-all advice. But today, we’re zooming out a bit and looking at something sneaky that can totally throw your blood sugar off track… even if your food choices are on point. And that, my friend, is stress—specifically, the kind that comes from the summer heat.
Because while summer might feel like a time to relax and soak up some sunshine (and I love that part)… the truth is, for a lot of people, the heat itself is stressful. It messes with your sleep, raises your cortisol, hijacks your nervous system, and can leave your blood sugar feeling like it’s on a rollercoaster at Six Flags.

So today we’re going to break it all down:
~How summer heat impacts your stress hormones and blood sugar
~What signs to look for if your body is telling you “I’m overheated and overwhelmed”
~Plus, some practical, simple strategies to help you cool down—physically and emotionally

Let’s dive in!

☀️ Segment 1: Heat, Stress & Blood Sugar—What’s the Connection?
Alright, let’s get nerdy for a second and talk about your body’s response to heat.
Your body is always trying to maintain something called homeostasis—a stable internal environment. When it’s super hot outside, your body has to work overtime to keep things cool and balanced. That work? It causes stress.
And when your body senses stress, it releases a hormone you’ve probably heard of: Cortisol.
Now, cortisol isn’t bad—it actually helps you wake up in the morning, gives you energy, and helps regulate inflammation. But when cortisol stays elevated, like it can during long periods of heat exposure, it causes:
~Increased blood sugar (your body releases stored glucose to help “handle the stress”)
~Insulin resistance (making it harder to process glucose effectively)
~Poor sleep (cortisol at night can make it hard to fall or stay asleep)
~More fatigue, anxiety, and irritability—yep, the classic “hot and cranky” combo

👉 Research shows that thermal stress (aka, being too hot) can increase sympathetic nervous system activity, putting your body into fight-or-flight mode. This isn’t just about being a little sweaty—it’s a full-body, hormonal reaction.
And when your stress hormones are out of whack? You might notice:
~Sugar cravings
~Mood swings
~Trouble sleeping
~Bigger blood sugar swings—even if you’re eating well

🥵 Segment 2: Signs You’re Overheated & Overstressed
So how do you know if summer heat is secretly sabotaging your wellness goals?
Here are some signs your cortisol may be elevated from heat stress:
~You’re feeling extra exhausted, even if you’re sleeping okay
~You wake up already anxious or overwhelmed
~You have random sugar cravings (especially mid-afternoon)
~Your blood sugar is higher than normal, even with clean eating
~You’re quickly irritated or have brain fog
~You’re sweating more than usual or feeling dehydrated even when drinking water
~You feel restless at night, especially if your room is warm

If any of these sound familiar? You’re not alone, and you’re not crazy. Your body is literally doing its best to cool you down and keep you alive—but it needs a little help.
So let’s talk strategy.

❄️ Segment 3: How to Physically Cool Your Body Down (Without Cranking the AC 24/7)
Alright, let’s get practical. Here are natural ways to help your body cool off physically—without needing to live in a walk-in freezer.

🌬 1. Hydration with Electrolytes
Plain water is great, but when you’re sweating, you lose minerals—especially sodium, magnesium, and potassium. Without replacing them, you stay hot and fatigued.
Try this:
~Add a sugar-free electrolyte packet to your water (I love PaleoValley or Liquid IV Sugar Free in summer)
~Use coconut water + sea salt as a natural electrolyte-rich drink
~Drink room temp or slightly cool water instead of ice cold—your body actually cools more efficiently because ice water can actually turn on your body’s heating system and get it all confused

🧴 2. Use a Cooling Magnesium Lotion or Spray
Magnesium helps relax blood vessels and lower stress. Topical magnesium can cool the skin and calm your nervous system.
~Try Earthley’s Good Night Lotion or make your own magnesium spray with magnesium flakes and aloe or water.

🧊 3. Cooling Body Hacks:
~Soak your feet in cool water for 10–15 minutes
~Place a cold washcloth or wet cooling towel on the back of your neck or wrist; this has been my go-to so far this summer at 7 months pregnant!
~Keep peppermint essential oil in your bag and apply behind ears for a natural “cooling” sensation

🌿 4. Eat Cooling Foods:
~Cucumbers, mint, watermelon (watch portion size), berries, lemon water, greens—all help cool the body from within.
~Avoid spicy or very salty foods in the heat—they can make internal heat worse.

🧘‍♀️ Segment 4: Cooling Your Nervous System
Now let’s talk emotional heat—because summer overstimulation is real.
Longer days, kids out of school, more social events, disrupted routines—it’s a recipe for burnout. And when you’re already hot and tired, the smallest thing (like someone chewing too loudly 😅) can send you over the edge.
So here’s how to stay grounded, calm, and cortisol-friendly.

🌅 1. Morning Quiet Time (Before the House Wakes Up)
~Start the day with Scripture, prayer, or journaling, but AVOID social media scrolling or email first thing in the morning. Even just 10–15 minutes can reset your nervous system and ground your mind and body for the day. I notice a big difference when I get this time versus being woke-up by my toddler’s dragon roar. Haha.
~A scripture you can meditate on for this week is Isaiah 26:3:
“You keep him in perfect peace whose mind is stayed on You.”

🌳 2. Get Outside Early
The heat may be intense later, but early morning sun exposure helps regulate your circadian rhythm, lowers cortisol naturally, and gives you a dose of vitamin D.
~Try a 5–10 min barefoot walk in the grass—bonus points if you bring your coffee or your toddler 😉

🧠 3. Create a “Calm Corner” or Reset Ritual
When things feel chaotic:
~Step away and take 3 deep breaths
~Use peppermint or lavender oil
~Drink a glass of cold water or put some on your face
~Read a Psalm or a short prayer card
This isn’t about escaping—it’s about interrupting the cortisol spike and coming back to center.

💤 4. Cool Down Your Sleep
~Use a fan + open windows in the evening
~Try linen or bamboo sheets to reduce sweating
~Avoid screens for 30–60 minutes before bed to help melatonin rise; if you have to use screens, try to use blue light blocking glasses as well to help with melatonin rise.
~Take a cool shower before bed—it mimics the body’s natural cooling process that helps you fall asleep

💡 Segment 5: Summer Cortisol Myths (Busted!)
Let’s bust a few myths that can sneak into our thinking:
❌ Myth: “It’s just the heat, I’m fine.”
👉 Chronic heat stress is still stress. If you’re struggling, don’t ignore it.

❌ Myth: “I should be more productive in summer—longer days = more energy.”
👉 Actually, your body may need more rest in heat. Give yourself permission to slow down. Rest is not laziness—it’s stewardship.

❌ Myth: “If I’m not anxious or emotional, my cortisol must be fine.”
👉 Elevated cortisol can also look like:
~Exhaustion
~Night waking
~Headaches
~Constipation
~Blood sugar spikes

You don’t need to “feel stressed” to BE stressed physiologically.

✅ Final Thoughts & Weekly Challenge
Whew! I know that was a lot, but I hope you feel seen and supported, friend.
Summer should be fun—but it doesn’t mean your wellness has to take a backseat. With a little awareness, a few cooling habits, and a whole lot of grace, you can stay balanced, even when the temperature’s not.

This Week’s Challenge:
~Try one cooling body strategy: cooling towel, foot soak, or even peppermint oil
~Audit your stress: Where can you simplify or pause?
~Create a mini “reset ritual” you can do in 2–3 minutes when you feel overwhelmed.
~Get 10–15 minutes of sun in the early morning hours—no sunglasses, no distractions.

And remember:
✨ You are fearfully and wonderfully made.
🧠 Your nervous system matters just as much as your nutrition.
💧 Cool bodies, calm minds, and steady blood sugar go hand in hand.

Stay hydrated, stay anchored in peace, and I’ll catch you next week!

[Outro Music Fades]

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Medical Disclaimer:
The information provided in this podcast is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare provider before making any changes to your diet, exercise, or medication. The content shared here reflects my personal experiences and research but should not replace individualized medical care.