The Real Cost of Burnout: How It Impacts Your Career, Health, and Family Life
- Merly Hartnett
- Oct 4
- 3 min read
Updated: Oct 6
I still remember the day I realised I was burnt out. It wasn’t dramatic ... no collapse, no tears in the office. Just a quiet, lingering exhaustion that made even the smallest tasks feel impossible.
As a working mum and solopreneur, I thought pushing through was normal. I thought everyone felt this way.
But burnout isn’t just “tiredness.” It’s a chronic state of stress that affects every layer of your life: your career, your health, your relationships, and even your ability to be fully present with your family.
“Burnout is what happens when you try to avoid being human for too long.” – Michael Gungor
And the science backs this up. Research shows that chronic work stress is linked to increased risk of heart disease, type 2 diabetes, and mental health challenges like anxiety and depression (World Health Organization, 2019).

Burnout’s Toll on Your Career
When I was burnt out, I found myself procrastinating on tasks I usually loved. Mistakes crept in. Meetings felt exhausting instead of energising.
High-achieving women are particularly vulnerable because we’re conditioned to push through. A study by the Harvard Business Review (2018) found that 80% of high-performing women report experiencing burnout at some point in their careers.
“Burnout can make you doubt your competence, even if you’re highly skilled.” – Dr Rangan Chatterjee
If ignored, burnout can stall career growth, reduce productivity, and even lead talented professionals to leave roles they once loved.
The Health Impacts Are Real
Burnout doesn’t just live in your head. It manifests physically:
Chronic fatigue and insomnia
Weakened immune system
Muscle tension and headaches
Digestive issues
Increased risk of depression and anxiety
I remember catching a cold that lingered for weeks. My body was screaming at me to rest while my mind refused to slow down. Studies show chronic stress elevates cortisol levels, which can suppress immunity and increase inflammation (McEwen, 2007).
Family Life Feels the Strain
Burnout doesn’t stay at work, it follows you home.
Less patience with your kids or partner
Emotional numbness or irritability
Feeling disconnected from loved ones
I’ve felt this firsthand: standing at the kitchen counter, counting down the minutes until I could have a moment to myself, feeling guilty for not being fully present with my kids.
The Hidden Costs on Self and Identity
Burnout erodes more than energy. It chips away at:
Confidence – doubting your choices and abilities
Joy – activities that once brought pleasure feel like chores
Identity – feeling disconnected from who you are
How to Start Recovering
Recovery begins with awareness. The earlier you notice burnout, the easier it is to reverse. Here are some research-backed strategies I’ve used with myself and my clients:
Set Boundaries – Say no without guilt. Research shows boundary-setting reduces stress and protects emotional wellbeing (APA, 2022).
Schedule Recharge Moments – Even 5 minutes of intentional breathing or journaling daily reduces cortisol levels (Chatterjee, 2020).
Seek Support – Talking to a mentor, friend, or coach provides perspective and relief. Social connection is protective against stress (Holt-Lunstad et al., 2015).
Monitor Health – Sleep, nutrition, and movement are non-negotiable for energy and resilience.
Reflect Regularly – Notice what drains you and what energises you. Self-awareness is the first step to change.
Even something as simple as journaling for 5 minutes or saying no to one non-essential task today can start the recovery process.
Burnout costs more than you might realise. It affects your career, your health, your family, and your sense of self. But it’s not permanent. With awareness, support, and small daily actions, you can reclaim your energy, confidence, and joy and show up fully in work, family, and life.
Feeling like burnout is creeping into your life? Let’s talk. Book a free call with me.
References:
World Health Organization. (2019). Burn-out an “occupational phenomenon”: International Classification of Diseases.
McEwen, B. S. (2007). Physiology and neurobiology of stress and adaptation. Physiological Reviews, 87(3), 873–904.
Harvard Business Review. (2018). Women and Burnout.
Holt-Lunstad, J., et al. (2015). Loneliness and social isolation as risk factors for mortality. Perspectives on Psychological Science, 10(2), 227–237.
Chatterjee, R. (2020). Feel Better, Live More.



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