Stress, Anxiety & Mood • Hormones
By Don Colbert, MD • Board-certified in family practice and integrative medicine • Updated October 2026
Quick answer
To lower cortisol naturally, calm the stress response at every point in your day: start mornings slowly, move outdoors, eat whole foods, guard your schedule, manage your reactions, laugh, connect with people, pray with gratitude, and sleep 7 to 9 hours.
No single habit fixes chronic stress. Stacked together from morning to night, they help your body leave fight-or-flight mode and let cortisol settle back into its healthy daily rhythm.
2,231
adults in a Neurology study linking high cortisol to memory changes
7 to 9
hours of sleep a night to help reset your stress hormones
9
simple habits, from the time you wake until bedtime
What cortisol does and why it matters
Cortisol is a hormone your adrenal glands release when your body senses stress. In a true emergency it helps you: it raises blood sugar for quick energy, sharpens focus, and prepares you to act. Cortisol also follows a natural daily rhythm, peaking in the morning to help you wake up and falling at night so you can sleep.
The trouble is that modern stress is usually mental, not physical, and it rarely shuts off. Deadlines, traffic, screens, and worry keep the alarm ringing. Over time, chronically high cortisol is associated with weight gain (especially around the middle), higher blood pressure, blood sugar problems, poor sleep, low mood, and a higher risk of diabetes and heart disease (1).
It affects the brain too. In a study of 2,231 middle-aged adults published in Neurology, higher blood cortisol was linked to poorer memory and lower brain volume, and the effects were more pronounced in women (2).
Signs your cortisol may be running high
These signs are common and can have many causes, but together they often point to a stress response that is stuck in the on position:
Cortisol encourages fat storage around the midsection.
Stress hormones push appetite toward quick energy.
Trouble falling asleep, or waking at 2 or 3 a.m.
Harder to focus, find words, or remember details.
Jaw clenching, tight shoulders, headaches.
Often noticed first at a checkup.
Persistent symptoms deserve a conversation with your doctor. A simple blood or saliva test can measure cortisol, and some medical conditions cause very high levels that need treatment.
9 daily habits to lower cortisol naturally
Follow your day from morning to night. You do not need all nine at once; start with two or three and build.
1. Make mornings easy
Cortisol is naturally highest in the morning, so do not pile more on with a frantic start. Wake 5 to 10 minutes earlier, prep breakfast and lunches the night before, and keep a bag with everything you need by the door. Resist checking email before you are out of bed.
2. Move, early and outside if you can
Activity burns off stress chemistry, and time outdoors adds to the benefit. Research on outdoor exercise links it with lower tension, fatigue, and depression, and older adults who exercised outside stayed more active overall than those who exercised indoors (3). A brisk morning walk in daylight also helps set your body clock.
3. Eat to steady your blood sugar
Blood sugar swings are a stress signal of their own. Build meals around protein, healthy fats, and vegetables. Fatty fish like salmon, dark chocolate (70% cocoa or higher), colorful fruits and vegetables, and green or black tea are smart choices. A fruit and vegetable superfood powder can help on busy days. Go easy on caffeine after noon.
4. Guard your schedule
The most powerful word for lowering cortisol may be “no.” Instead of filling every evening, choose a few commitments and give them your full attention. Less really is more when it comes to feeling hurried and stretched.
5. Take charge of your reactions
Cortisol is your body’s reaction to stress, so changing the reaction changes the chemistry. When something goes wrong, pause, take three slow breaths (in for four counts, out for six), and choose your response. Step away if you need to cool off.
As Pastor Charles Swindoll put it, life is “10% what happens to me and 90% how I react to it.”
6. Laugh every day
Laughter relaxes muscles and interrupts the stress cycle. Spend time with a funny friend, put on a comedy for the drive home, or play with your kids or grandkids. See what the research says about laughter and heart health.
7. Invest in real relationships
Time with people who care about you is one of the strongest buffers against stress, while scrolling often leaves us feeling worse. Trade 30 minutes of social media for a walk or a coffee with a friend. Here is why loneliness affects health even when other habits are good.
8. Pray and practice gratitude
At the end of the day, put the screens down and write three to five specific things you are thankful for. Then pray, releasing what you cannot control. Gratitude shifts your attention away from threat, which is exactly what a stressed nervous system needs.
9. Protect 7 to 9 hours of sleep
Short or broken sleep raises next-day cortisol, and high cortisol makes it harder to sleep, so the cycle feeds itself. Keep a consistent bedtime, a cool dark room, and no screens for the last hour. For more, see Dr. Colbert’s guide to resetting your body clock.
The faith factor: stress, forgiveness, and peace
Some of the deepest sources of chronic stress are not on a calendar at all. Unresolved trauma, fear, and unforgiveness can keep the stress response running for years. In Episode 2 of 7 Pillars of Health, Dr. Colbert walks through how that happens in the body and what healing looks like, with Mary and Kyle Colbert.
“Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, present your requests to God. And the peace of God, which transcends all understanding, will guard your hearts and your minds in Christ Jesus.”
PHILIPPIANS 4:6-7 (NIV)
Frequently asked questions
How can I lower my cortisol levels quickly?
In the moment, slow breathing (a longer exhale than inhale), a short walk outside, and stepping away from the stressor can calm the stress response within minutes. Lasting change comes from daily habits like sleep, movement, and steady blood sugar.
What foods help lower cortisol?
Whole foods that keep blood sugar steady help most: fatty fish, eggs, leafy greens, colorful vegetables and berries, nuts, dark chocolate, and green or black tea. Limiting sugar, refined carbs, and excess caffeine matters just as much.
How long does it take to lower cortisol naturally?
Many people notice better sleep and calmer moods within two to four weeks of consistent habits. Long-standing stress patterns, especially those tied to trauma, can take longer and may benefit from professional support.
Does high cortisol cause belly fat?
Chronically high cortisol is associated with fat storage around the abdomen and increased appetite for sugary foods. Lowering stress, improving sleep, and eating fewer refined carbs work together to address it. Learn the signs your belly fat is driving inflammation.
Written and medically reviewed by Don Colbert, MD
Dr. Colbert has been board-certified in family practice and in anti-aging and integrative medicine for more than 25 years. He is the New York Times bestselling author of Deadly Emotions and The Seven Pillars of Health. More about Dr. Colbert
This article is for educational purposes only and is not medical advice. If you are dealing with ongoing stress, anxiety, depression, sleep problems, or trauma, talk with a qualified healthcare professional or licensed counselor. These statements have not been evaluated by the Food and Drug Administration. Products mentioned are not intended to diagnose, treat, cure, or prevent any disease.
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