If you’re reading this, there’s a good chance you’re completely exhausted.
You’ve tried behaviour charts. Dietary changes. You’ve driven to more appointments than you can count; occupational therapists, speech therapists, behavioural specialists.
And yet your child still can’t settle. Still melts down over what seems like nothing. Still struggles at school. Still seems wired and wiped out at the same time.
You’re not imagining it. And you are not alone.
What many parents aren’t told is this: sometimes the challenge isn’t simply behaviour. It may relate to how your child’s nervous system is functioning, particularly if it’s spending a lot of time in a heightened stress state.
In this article, we’ll explore what that means, why it can happen, how it shows up, and what may help support your child more effectively.
What Do We Mean by a “Busy Brain”?
Your child’s autonomic nervous system, the system that regulates stress, sleep, digestion, emotions, and focus – has two key modes. Think of them as a gas pedal and a brake.
- The gas pedal (sympathetic nervous system) drives alertness and the fight-or-flight response
- The brake pedal (parasympathetic nervous system) supports calm, rest, digestion, and recovery
In some children, the nervous system spends more time with the “gas pedal” activated. This can make it harder to settle, regulate emotions, or transition into calm states like sleep or focused learning.
This doesn’t mean a child is being difficult, it may mean their system is overwhelmed and struggling to self-regulate.
How This Can Develop: A “Perfect Storm” of Factors
For many children, these patterns can begin early and build over time.
Prenatal Stress
Research suggests that higher levels of maternal stress during pregnancy may influence a baby’s developing stress-response system and nervous system regulation (Weiss, Cooper & Leung, 2024).
This isn’t about blame, stress during pregnancy is common but it can help explain why some children may be more sensitive or reactive from early on.
Birth and Early Development
Birth can be a physically demanding process. In some cases, factors such as long labours or assisted deliveries may place additional stress on a newborn’s system.
Early infancy can also include challenges like feeding difficulties, reflux, frequent illness, or disrupted sleep, all of which may place added demand on a developing nervous system.
Ongoing Childhood Stressors
As children grow, additional stressors can accumulate:
- Repeated illness or antibiotic use
- High sensory environments
- Screen exposure
- Changes in routine or environment
Each of these may contribute to a system that finds it harder to regulate efficiently.
How It Can Show Up Day to Day
When a child’s nervous system is under ongoing stress, it can show up in a range of ways:
Sleep Challenges
Difficulty falling asleep, restless sleep, frequent waking, or physical complaints at bedtime.
Emotional Regulation
Big reactions to small challenges, longer recovery times, or frequent meltdowns.
Sensory Sensitivities
Being overwhelmed by noise, textures, or busy environments — or seeking intense movement and input.
Communication and Focus
Difficulty concentrating, organising thoughts, or expressing themselves clearly when overwhelmed.
Social Interaction
Challenges with group settings, reading social cues, or managing the unpredictability of peer interactions.
These patterns are not simply behavioural — they often reflect a nervous system working hard to cope.
Why Progress Can Feel Slow
Therapies such as occupational therapy, speech therapy, and behavioural support play an important role and can be highly beneficial.
However, when a child’s nervous system is frequently in a heightened stress state, it can be harder for the brain to fully integrate and retain new skills.
This can sometimes feel like “one step forward, two steps back”, not because the therapies aren’t working, but because the underlying regulation piece may also need support.
Supporting the Nervous System
A more holistic approach looks at how to support the nervous system alongside other therapies.
This can include:
- Consistent sleep routines
- Movement and physical activity
- Reducing overwhelming sensory inputs where possible
- Positive social connection and co-regulation
- Breathing and relaxation strategies
Some families also explore neurologically-informed chiropractic care, which focuses on supporting spinal and nervous system function. This approach aims to reduce physical tension and support better communication between the brain and body.
While research in this area is still emerging, some families report improvements in areas such as sleep, regulation, and overall wellbeing. Outcomes vary between individuals.
Understanding What’s Happening
One of the challenges with nervous system regulation is that it doesn’t always show up on standard medical tests.
Technologies such as INSiGHT scans are designed to assess patterns of nervous system stress and function, helping to provide additional insight into how a child’s system is operating.
This can help guide more personalised, supportive care approaches.
There Is a Path Forward
If your child is experiencing ongoing challenges with regulation, sleep, sensory processing, or emotional responses, it may be worth looking beyond behaviour alone.
Supporting the nervous system doesn’t replace other care, it complements it. And for some children, it can make a meaningful difference in how they respond, adapt, and engage with the world around them.
You don’t have to navigate this alone.
Reach out to Coast Family Chiropractic to learn more about options for supporting your child’s nervous system.
Reference
Weiss, S.J., Cooper, B. & Leung, C. (2024) ‘Exposure to prenatal stressors and infant autonomic nervous system regulation of stress’, Stress, 27(1), pp. 2327328.
