The Science of Energy: How Your Nervous System Affects Fatigue and Vitality
- Dr Kathryn Theodosis

- 42 minutes ago
- 2 min read
Feeling Drained? It’s Not Just Lack of Sleep
Many people assume that low energy is just a result of not getting enough rest, but the truth is your nervous system plays a major role in how energised or exhausted you feel. If you constantly wake up tired, hit an afternoon slump, or struggle to stay focused, your nervous system may be working against you.
Let’s explore how your energy levels are linked to nervous system health and what you can do to boost vitality naturally.
How Your Nervous System Controls Energy
Your nervous system has two main operating modes:
✔️ Sympathetic (fight-or-flight): Provides short bursts of energy but leads to burnout when overused.
✔️ Parasympathetic (rest-and-digest): Supports sustained energy by allowing your body to recover and recharge.
When stress keeps your body in constant fight-or-flight mode, your energy reserves get depleted, making you feel fatigued, foggy, and sluggish.

5 Ways to Boost Energy by Supporting Your Nervous System
Regulate Your Breathing
Shallow breathing keeps your body in stress mode, draining energy.
Try deep belly breathing: inhale for four seconds, hold for four, and exhale for six to activate relaxation.
Get Moving (Gently!)
Movement stimulates circulation and nervous system balance.
Try walking, stretching, or spinal mobility exercises to re-energise naturally.
Prioritise Quality Rest
Deep, restorative sleep helps reset your nervous system for better energy the next day.
Aim for a consistent sleep schedule and limit screen time before bed.
Balance Your Blood Sugar
Blood sugar fluctuations trigger stress responses that lead to crashes.
Eat balanced meals with protein, healthy fats, and complex carbs to keep energy steady.
Try NetworkSpinal
Techniques like NetworkSpinal use light touch to shift your body into a more balanced, energy-efficient state.
This helps reduce fatigue and increase resilience over time.
The Benefits of an Energised Nervous System
When you support your nervous system, you’ll notice:
✔️ More sustained energy throughout the day
✔️ Less brain fog and mental fatigue
✔️ Better sleep and recovery
✔️ A greater sense of ease and flow in daily life
Recharge from the Inside Out
If you’re constantly running on empty, it’s time to stop relying on caffeine and quick fixes. By making small adjustments to support your nervous system, you can experience natural, lasting energy and feel more vibrant every day.



Comments