This post contains affiliate links. If you buy through them, I may earn a small commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases.

Quick answer: Stress hormones are chemical messengers your body releases when your brain senses a threat. The main ones are cortisol, adrenaline (also called epinephrine) and norepinephrine. They speed up your heart rate, raise your blood sugar and sharpen your focus so you can react fast. In short bursts they protect you. When stress never shuts off, cortisol stays elevated and can affect your sleep, weight, mood, digestion and blood pressure. The good news is that sleep, movement, steady meals and a few simple calming habits can help bring it back down.

If you have ever lain awake at 2 a.m. replaying a conversation or mentally rearranging tomorrow’s carpool schedule, you have met your stress hormones up close. Once you understand what cortisol and adrenaline are actually doing in your body, it gets so much easier to work with them instead of against them. Here is what I want every busy mom to know about stress hormones, plus the habits and products that genuinely help you feel calmer.

Stress hormones cortisol and adrenaline effects on the body

What Are Stress Hormones?

Stress hormones are chemicals made mostly by your adrenal glands, two small glands that sit on top of your kidneys. When your brain decides something is stressful (a near miss in traffic, a looming deadline, a toddler meltdown in the checkout line), it signals those glands to flood your bloodstream with hormones that prepare you to fight or run. This is the classic fight or flight response.

The three you hear about most are cortisol, adrenaline and norepinephrine.

Cortisol: The Primary Stress Hormone

Cortisol is often called the body’s main stress hormone. It is made in the outer layer of the adrenal glands and helps regulate your metabolism, blood sugar, blood pressure, inflammation and sleep and wake cycle. It works more slowly than adrenaline and sticks around longer, which is why it plays such a big role in long term, or chronic, stress.

Adrenaline (Epinephrine): The Fight or Flight Hormone

Adrenaline is your instant reaction hormone. Within seconds it raises your heart rate and blood pressure, opens up your airways and sends a quick burst of energy to your muscles. It is the reason your heart pounds and your hands shake after a scare. It also sharpens your focus so you can react quickly.

Norepinephrine: The Alertness Hormone

Norepinephrine works alongside adrenaline. It makes you more alert and helps redirect blood flow toward your brain and muscles and away from less urgent jobs like digestion.

How the Stress Response Works in Your Body

Your stress response is controlled by the HPA axis, short for the hypothalamus, pituitary gland and adrenal glands. Here is the simple version of what happens:

  1. Your brain spots a stressor and the hypothalamus sounds the alarm.
  2. Your nervous system tells the adrenal glands to release adrenaline and norepinephrine right away.
  3. The hypothalamus also signals the pituitary gland, which tells the adrenal glands to release cortisol.
  4. Cortisol keeps your body on alert and raises blood sugar so you have fuel.
  5. Once the threat passes, cortisol should fall and your body returns to rest and digest mode.

That last step is the one that gets stuck for so many of us. Modern stress (emails, bills, the never ending mental load of motherhood) rarely has a clear finish line, so the alarm never fully switches off.

What Does Cortisol Do in the Body?

Cortisol is not the villain. You need it. It follows a natural daily rhythm, rising sharply shortly after you wake up to help you get going, then slowly dropping through the day until it reaches its lowest point around midnight. That rhythm is part of what makes you feel alert in the morning and sleepy at night.

Healthy cortisol levels help you:

  • Keep your blood sugar steady between meals
  • Regulate blood pressure
  • Manage inflammation
  • Wake up and feel alert in the morning
  • Respond to emergencies

Problems start when cortisol stays high all day or when that rhythm flips, so you feel exhausted in the morning and wired at night.

Effects of Chronic Stress on the Body

Short term stress is normal and even helpful. Long term stress that keeps stress hormones elevated has been linked to a long list of health problems, including:

  • Heart disease and high blood pressure
  • Type 2 diabetes and blood sugar swings
  • Weight gain, especially around the belly
  • Anxiety and depression
  • Digestive problems like bloating, heartburn and IBS flares
  • Headaches and muscle tension
  • Insomnia and poor quality sleep
  • A weaker immune system and more frequent colds
  • Trouble concentrating and memory issues

Signs of High Cortisol in Women

There is no single symptom that proves your cortisol is high, but these are some of the most common signs that stress hormones may be running the show:

  • Feeling tired but wired, especially at night
  • Trouble falling asleep or waking up between 2 and 4 a.m.
  • Cravings for sugar, salt or carbs
  • Weight gain around your midsection
  • Irritability or feeling on edge
  • Brain fog
  • Getting sick more often
  • Irregular periods or worse PMS
  • Low sex drive

Many of these overlap with thyroid issues, perimenopause and other hormone conditions. My guide to sneaky PCOS symptoms is a good place to compare notes. If several sound familiar, talk to your doctor, who can check your cortisol with a blood, saliva or urine test.

How to Lower Cortisol Naturally: 10 Habits That Help

You cannot get rid of stress completely, but you can help your body recover from it faster. These are the habits with the strongest evidence behind them, plus a few simple tools that make them easier to stick with.

1. Protect Your Sleep

Even one short night can raise cortisol the next day, and poor sleep makes everything else feel harder. Adults need at least seven hours a night. Keep your bedroom cool and dark. A contoured MZOO sleep mask blocks light without pressing on your eyes, and a YnM weighted blanket gives a calming, hugged feeling that many people find helps them settle down. If staying asleep is your struggle, read my guide to the best magnesium for sleep.

2. Move Your Body Without Overdoing It

Regular exercise helps your body process stress hormones and lowers your baseline stress over time. Walking, yoga, Pilates and strength training are all great choices. Very long or very intense workouts can temporarily push cortisol higher, so if you are already running on empty, gentle movement is your friend. My Pilates home plan for beginners is an easy place to start, and all you need is a cushioned mat like this Gaiam Essentials yoga mat.

3. Try Deep Breathing for Instant Stress Relief

Slow breathing is one of the fastest ways to switch off fight or flight. Try box breathing: breathe in for four counts, hold for four, breathe out for four and hold for four. Repeat for two to five minutes. Meditation, prayer and yoga work in a similar way by calming your nervous system.

4. Eat for Steady Blood Sugar

Blood sugar crashes can trigger a cortisol response, so skipping meals and running on coffee can keep you stuck in stress mode. Build meals around protein, fiber and healthy fats and go easy on ultra processed foods and added sugar. These protein shake recipes are a lifesaver on busy mornings, and these no added sugar snacks help with the 3 p.m. pantry raid.

5. Cut Back on Caffeine and Alcohol

Caffeine raises cortisol, especially when you are already stressed or short on sleep. Alcohol may feel relaxing in the moment, but it disrupts deep sleep and can leave you more anxious the next day. Try keeping coffee to the morning and swapping your evening glass of wine for a mug of Traditional Medicinals Organic Chamomile Tea. It is caffeine free and makes a cozy wind down ritual.

6. Consider Magnesium

Magnesium plays a role in regulating your stress response, and many women do not get enough from food. Magnesium glycinate is a gentle form that is easy on the stomach and popular for evening use. Doctor’s Best High Absorption Magnesium Glycinate is a well reviewed, budget friendly option. Check with your doctor first, especially if you take other medications or have kidney issues.

7. Ask Your Doctor About Ashwagandha

Ashwagandha is an adaptogen, an herb thought to help your body adapt to stress. Several small studies have found it may lower cortisol and improve stress and sleep scores. Gaia Herbs Ashwagandha Root is a popular choice. It is not right for everyone, so skip it if you are pregnant or breastfeeding, talk to your doctor first if you have a thyroid condition or take medication and stop taking it if you notice any unusual symptoms.

Essential oil blend for stress relief and lowering cortisol naturally

8. Use Calming Scents

Aromatherapy is not a cure, but some research suggests lavender scent may help people feel calmer and sleep better. Running an ASAKUKI essential oil diffuser with a few drops of Plant Therapy Lavender Essential Oil during your bedtime routine is a small cue that tells your brain the day is done.

9. Write It Down

Journaling gets the swirling to do lists and worries out of your head and onto paper. Gratitude journaling in particular has been linked to lower stress and better mood. The Five Minute Journal keeps it simple with short morning and evening prompts, so it is easy to stick with even on hectic days. Pair it with my morning wellness routine for a calmer start.

10. Lean on Your People and Complete the Stress Cycle

Connection is one of the most powerful stress buffers there is. A long hug, a real laugh with a friend or a good cry can all signal to your body that you are safe. That idea is at the heart of Burnout: The Secret to Unlocking the Stress Cycle by Emily and Amelia Nagoski, a must read for overwhelmed moms. For more feel good reads, see my list of the best self love books for women. And if stress feels like too much to handle alone, a therapist can help.

Foods That Help Lower Cortisol

No single food will fix stress, but an overall balanced diet supports a healthier stress response. Foods worth adding to your plate include:

  • Fatty fish like salmon and sardines for omega-3s
  • Leafy greens, beans, nuts and seeds for magnesium
  • Yogurt, kefir and other fermented foods to support gut health
  • Bananas, oats and whole grains for steady energy
  • Dark chocolate in small amounts
  • Green tea, which contains calming L-theanine (it does have some caffeine, so enjoy it earlier in the day)

When to See a Doctor About Stress Hormones

Talk to your doctor if stress is affecting your sleep, appetite, work or relationships for more than a couple of weeks, or if you notice unexplained weight gain or loss, very high blood pressure, muscle weakness or easy bruising. Those can point to conditions that affect cortisol directly, like Cushing’s syndrome or adrenal insufficiency. If you are feeling hopeless or having thoughts of harming yourself, call or text 988 to reach the Suicide and Crisis Lifeline any time.

Shop This Post: Stress Relief Essentials

Stress Hormones FAQ

What are the main stress hormones?

The main stress hormones are cortisol, adrenaline (epinephrine) and norepinephrine. Adrenaline and norepinephrine act within seconds to power the fight or flight response, while cortisol rises more slowly and keeps your body on alert for longer.

How do I know if my cortisol is high?

Common signs of high cortisol include trouble sleeping, feeling tired but wired, sugar cravings, weight gain around the belly, irritability and getting sick often. The only way to know for sure is a blood, saliva or urine test ordered by your doctor.

How can I lower cortisol fast?

The quickest way to calm a stress response in the moment is slow, deep breathing such as box breathing for a few minutes. A short walk, a long hug or stepping outside can also help. Over the long term, consistent sleep, regular exercise and balanced meals do the most to keep cortisol in a healthy range.

Does high cortisol cause belly fat?

Chronically high cortisol is linked to increased appetite, cravings and fat storage around the abdomen. Stress is rarely the only factor, but managing it along with sleep and nutrition can make weight easier to manage.

What time of day is cortisol highest?

Cortisol is naturally highest in the morning, peaking about 30 to 45 minutes after you wake up, and lowest around midnight. This rhythm helps you feel alert in the morning and sleepy at night.

Can magnesium lower cortisol?

Magnesium helps regulate the stress response, and low magnesium has been linked to higher stress. Research on supplements is still limited, but magnesium glycinate is a common, gentle option. Ask your doctor before starting any supplement.

More Wellness Posts You Will Love

This post is for informational purposes only and is not medical advice. Always talk with your healthcare provider before starting supplements or making changes to your health routine.

Stress hormones are a normal, protective part of being human. The goal is not to never feel stressed. It is to help your body come back to calm more easily. Start with one or two habits from this list and build from there.

Found this helpful? Save it to your favorite wellness board and follow us on Pinterest for more ideas and inspiration.