Before Overwhelm: Learning to Recognize Nervous System Load by Julie Bjelland, LMFT

For many highly sensitive and neurodivergent people, overwhelm builds over time. A loud environment, an unexpected change, too many decisions, hours of social interaction, pain, poor sleep, feeling misunderstood, or pushing through when your body was asking for rest can each add more load.

From the outside, it may look as though one small thing suddenly caused everything to fall apart. Often, that final moment was simply the last drop added to a cup that was already nearly full.

Instead of asking, “Why did I react so strongly to something so small?” it may be more helpful to ask:

How much was my nervous system already carrying?

Many of Us Were Taught to Override Our Needs

Many sensitive people grow up hearing that they are too sensitive, too quiet, too overwhelmed, too emotional, or too affected by noise, change, crowds, and unpredictability.

Over time, many of us become experts at overriding our own nervous systems. We stay longer than our bodies want to stay. We keep talking when we are mentally exhausted. We ignore fatigue. We convince ourselves that we should be able to tolerate what everyone else seems to tolerate. We continue saying yes after our capacity has already been exceeded.

After years of doing this, many people lose touch with their limits until they have already gone far beyond them. We may become so accustomed to dismissing our internal signals that trusting our bodies feels unfamiliar.

Capacity Changes

One of the most misunderstood aspects of a sensitive nervous system is that capacity changes.

Some days, you may enjoy being out for several hours. On another day, the same environment may feel unbearable. One week, you may easily manage several conversations. The next week, even answering a text message may feel difficult.

This reflects changing nervous system capacity. Your available energy depends on everything your system has already been carrying.

Sleep, stress, pain, hormonal changes, social demands, decision-making, sensory input, emotional load, uncertainty, and recovery time all influence how much additional input your nervous system can process.

Capacity can also shift during the day. You may begin an activity with enough energy and later discover that your available resources have changed. Responding to that change is an important form of self-awareness.

Learning to Recognize the Earlier Signs

Many people notice overwhelm only after they have already reached their limit. Part of healing and thriving is becoming curious about what happens before that point.

Your nervous system may begin communicating long before overwhelm becomes obvious. Sounds may suddenly feel sharper. Conversations may become harder to follow. You may find yourself rereading the same sentence or struggling to make a small decision. Interruptions may feel unusually irritating. Your body may begin craving quiet, stillness, movement, food, or solitude.

You may also notice an urge to leave, stop, or pause, while another part of you tries to keep going.

These signals offer valuable information.

The earlier we learn to notice them, the more opportunities we have to support ourselves before overwhelm takes over.

It may help to ask:

  • Are sounds, lights, or conversations becoming harder to tolerate?

  • Am I having more difficulty thinking, speaking, or making decisions?

  • Is my body asking for food, water, movement, quiet, or rest?

  • Am I continuing because I genuinely want to, or because I feel I should?

  • What could I reduce before I reach my limit?

Reducing Load Supports Sustainability

Many of us were taught to associate breaks with laziness, leaving early with being antisocial, and saying no with disappointing people. We may also have learned to view accommodations as something we must earn.

Reducing load creates the conditions in which the nervous system can participate in life more sustainably.

Sometimes this means taking one thing off your schedule, choosing a quieter environment, eating before you become depleted, or wearing clothing that feels comfortable to your body.

It may mean turning down background noise, asking for written instructions instead of verbal ones, breaking a large task into smaller steps, leaving more time between activities, or protecting recovery time after demanding days.

These choices are ways of working with your nervous system and respecting what it can sustainably carry.

Support offered early is often far more effective than trying to recover after your system has already reached overload.

A Different Way of Thinking

One of the most compassionate questions we can ask ourselves is:

What has my nervous system been carrying today?

That simple shift can change so much. It moves us away from self-judgment and toward understanding. It helps us stop measuring ourselves against what the majority seems able to tolerate and begin learning the unique language of our own nervous systems.

The goal is to understand our needs for rest, quiet, predictability, support, and recovery as part of caring for our nervous systems.

Our nervous systems have been communicating with us all along.

Healing often begins when we finally start listening.

What are the earliest signs that tell you your nervous system is carrying too much? Sometimes we don't recognize them until someone else describes the experience.


About the Author

Julie Bjelland, LMFT

Julie Bjelland, LMFT, is a psychotherapist, autism assessor specializing in late-discovered autistic women, author, and founder of the Sensitive and Neurodivergent Community, Podcast, and Blog. As a late-discovered autistic woman, Julie brings both lived experience and clinical insight to her work supporting sensitive and neurodivergent adults. Learn more at JulieBjelland.com