
Energy Mastery with Heart Rate Variability Tracking
Heart rate variability (HRV) tracking will help you understand and improve how your body responds to sleep, exercise, stress and daily activities.
By providing concrete data, HRV tracking reduces the guesswork in managing fatigue, burnout or illness, enabling you to optimise your health and wellbeing and get you back to living your best life.

Health Coaching Free Discovery Call
15 min • Free

Are you tired of energy crashes holding you back?
With my own experience of burnout and complex illness, I understand what it's like to struggle with fatigue, energy crashes and having to 'reserve' days for recovery, not being able to go and do the things you want to do.
As a Health and HRV Coach I can help you analyse the data, reflect on what's working or not working and provide personalised recommendations to get you where you want to be quicker.
Invest in your health now

"In navigating burnout what I found is that the HRV tracking has given me ‘scientific permission’ to actually lie down and have a rest and not wait until I'm absolutely flaked out and can barely stand up. But proactively turning it into - what do I like doing and how can I use that time in a way that sparks joy and allows me to recover?"
Jackie
What is HRV?
Many people think our heart rate is uniform, however there are millisecond changes in the intervals between each heart beat and this variation is Heart Rate Variability.
In general a high HRV means the body is better able to adapt and has higher resilience, while a lower HRV can signal stress, fatigue, or illness when measured daily at rest over time. However HRV changes throughout the day and night based on your activities so it's the continuous tracking of HRV that enables you to really see what's going on.
Firstbeat's continuous tracking and highly accurate data allows for detailed analysis of your nervous system activity (sympathetic vs. parasympathetic) throughout the day and night. It can pinpoint exactly when stress peaks, when recovery truly happens (or doesn't), and how specific activities, stressors and changes to your lifestyle impact your energy, sleep and recovery.
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Firstbeat HRV tracking shows
Sleep
Understand the factors that affect your sleep and learn how to improve the quality of your sleep
Stress and Recovery Balance
Identify what causes you stress and see if you have enough moments of recovery during the day
Exercise and Movement
Discover if you get enough physical activity and learn what activities are right for you
Body Resources
Firstbeat Life connects the dots between your daily activities and how your body responds to these
Fitness (V02Max)
The best way to determine cardiorespiratory fitness, which can be measured with a simple 30 min walk




Introducing Firstbeat Life
The Corporate Wellness Solution
How it works
The Wearable and App
We'll send you a Firstbeat device, a medical-grade tracker worn discreetly on your chest for 3-5 days at a time over 3 months. This powerful tool works with an easy to use app to provide a detailed report on your stress, physical activity, and sleep. You'll get clear scores and graphs that reveal what's truly impacting your energy, daily recovery, and overall wellbeing.
The Coaching
The data from HRV tracking is a powerful starting point, but it's only one piece of the puzzle. The true value lies in the health coaching that brings the numbers to life. As your coach, I combine professional expertise with your unique data to translate knowledge into actionable steps that create sustainable changes. By recognizing your personal strengths and values, we'll work together to build a plan that's focused on you, helping you reflect on your results and take control of your health.
If you have your own wearable - Garmin, Oura ring or Woop and would like to discuss HRV coaching to help you analyse your results please reach at to kate@insidematters.co.nz or call 021 462 731.

Jane, 49, came to me exhausted. Battling a complex illness and nearing burnout, she'd taken time off work to recover. Despite a strong understanding of health, eating well and exercising, she was still plagued by debilitating fatigue, body pain, and weekly energy crashes, leaving her frustrated and searching for answers.
Jane's goal was clear: manage her daily activities, stress, and recovery to get back to work and feel like herself again.
By incorporating Firstbeat's HRV tracking, Jane started getting real-time feedback and detailed reports. Paired with personalised health coaching insights, she began to clearly see which activities and situations were helping and hindering her recovery. With key adjustments to her routine, Jane is now managing her days better. Her HRV, energy levels, and body pain are steadily improving, paving her way back to the life she wants.
Hi, I'm Kate Duder
I’m a certified Holistic Performance and Nutrition Coach with a personal connection to the work I do. I’ve experienced complex and chronic health challenges myself with EDS and ME/CFS, and I understand how frustrating it can be to feel like you’re not getting the support or clarity you need.
I work with people facing burnout or other chronic health challenges, taking a collaborative, empathetic and strategic approach that helps you feel less overwhelmed and able to make informed choices. My goal is for you to feel empowered, supported, and back in control of your health!
At my Glen Eden wellness space I also offer infrared sauna and red light therapy sessions and packages to compliment your wellbeing routine.
Beyond my work, I am a dedicated mum and sports enthusiast who enjoys volunteering or in my local community. My diverse background, including international work in leadership development and community projects, enriches my holistic approach to health and wellness.
Read more about my journey or contact me

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