If you’ve spent any time on social media recently, you’ve probably heard people blaming everything on cortisol.
Feeling tired?
“It’s high cortisol.”
Can’t lose weight?
“It’s cortisol.”
Not sleeping well?
“It must be cortisol.”
While cortisol has become one of the biggest wellness buzzwords online, it’s also one of the most misunderstood.
So, what exactly is cortisol? Why does your body need it? And what are the signs that it may be out of balance?
Let’s break it down.
What Is Cortisol?
Cortisol is a hormone made by your adrenal glands, which sit just above your kidneys.
It’s often called the stress hormone, but that name doesn’t tell the full story.
Cortisol helps keep your body functioning properly every single day.
It plays a role in:
Waking you up in the morning.
Giving your body energy.
Regulating your blood sugar.
Supporting your metabolism.
Controlling inflammation.
Helping your body respond to physical and emotional stress.
Maintaining healthy blood pressure.
Without cortisol, your body simply wouldn’t work as it should.
The goal isn’t to get rid of cortisol.
The goal is to support your body’s natural rhythm.
Why Does Cortisol Matter?
Cortisol naturally rises and falls throughout the day.
It’s usually highest in the morning to help you wake up and gradually decreases throughout the day so your body can prepare for sleep.
This natural rhythm is completely normal.
Problems can arise when your body is under prolonged stress, poor sleep, illness or other medical conditions that affect how cortisol is regulated.
That’s why looking after your overall wellbeing-not just your stress levels-is so important.
High Cortisol Symptoms: 30 Signs You Shouldn’t Ignore
No single symptom confirms that your cortisol is high, and many of these can have other causes too.
However, if several sound familiar and they’re affecting your day-to-day life, it’s worth paying attention.
Energy & Sleep
Feeling tired even after sleeping.
Struggling to fall asleep.
Waking up during the night.
Feeling wired but exhausted.
Needing caffeine just to get through the day.
Afternoon energy crashes.
Mood & Mental Wellbeing
Feeling anxious more often than usual.
Becoming irritated over small things.
Feeling overwhelmed by everyday tasks.
Brain fog.
Difficulty concentrating.
Poor memory.
Weight & Metabolism
Weight gain around the stomach.
Increased appetite.
Strong sugar cravings.
Finding it difficult to lose weight despite healthy habits.
A rounder-looking face.
Fat collecting around the upper back or neck.
Hormones
Irregular periods.
Missing periods.
Low libido.
Difficulty conceiving.
Skin & Hair
Acne or frequent breakouts.
Hair thinning.
Increased facial hair in women.
Skin that bruises easily.
Cuts or wounds taking longer to heal.
Body
Muscle weakness.
High blood pressure.
Feeling tense or unable to relax.
7 Simple Ways to Support Healthy Cortisol Levels
The good news is that supporting healthy cortisol levels doesn’t have to be complicated.
Small, consistent habits often make the biggest difference.
Get Morning Sunlight
Natural light shortly after waking helps support your body’s natural cortisol rhythm and internal body clock.
Prioritise Sleep
Aim for a consistent bedtime and create an evening routine that helps your body wind down.
Sleep is one of the most important foundations of overall health.
Walk Every Day
Walking supports both physical and mental wellbeing.
It can also help you decompress after a busy day and is one of the easiest habits to build.
Eat Balanced Meals
Including enough protein, fibre and healthy fats throughout the day can help support steady energy levels.
Skipping meals or relying on sugary snacks may leave you feeling more drained.
Make Time to Slow Down
Deep breathing.
Stretching.
Reading.
Journalling.
Prayer.
Quiet time.
Whatever helps you slow down, make space for it regularly.
Be Mindful of Caffeine
Coffee isn’t the enemy, but too much caffeine-especially later in the day-may leave you feeling more anxious or make it harder to sleep.
Listen to how your body responds.
Focus on Consistency
You don’t need a perfect routine.
Healthy habits don’t need to be extreme to be effective.
The small things you do consistently will always matter more than the big things you do occasionally.
When Should You Speak to Your GP?
Many of the symptoms listed above can have different causes and don’t automatically mean your cortisol is high.
If you’re experiencing several symptoms that are persistent, worsening or affecting your quality of life, it’s worth speaking to your GP or another qualified healthcare professional. They can help identify the underlying cause and recommend the most appropriate next steps.
Final Thoughts
Cortisol isn’t something to fear.
It’s a hormone your body needs every single day.
Rather than trying to eliminate stress completely, focus on building habits that help your body recover.
Sleep well.
Move regularly.
Eat nourishing meals.
Spend time outdoors.
Take moments to slow down.
You don’t have to change everything overnight.
At GLWTHEORY, we believe that lasting wellbeing comes from small habits repeated consistently - not chasing perfection.