5 Signs Your Nervous System Is Running the Show (And What to Do About It)
Chronic sympathetic overdrive has become so common we've mistaken it for normal. Here are five signs your nervous system has quietly taken over — and what Chinese medicine does about each one.
NERVOUS SYSTEM
Admin
7/26/20264 min read
There’s a phrase I come back to often with patients: “the nervous system does not know the difference between a threat and a thought.”
It sounds almost too simple to be profound. But sit with it for a moment. Your body’s threat-response system — the one designed to help you outrun a predator, survive a fall, escape a fire — activates with the same physiological cascade when you lie awake at 2am spinning through tomorrow’s to-do list. The thoughts are not a lion. But the body responds as if they are.
Chronic sympathetic activation — the state of sustained high-alert that most of us in modern life have simply accepted as normal — is, in Chinese medicine, a fundamental disruption to the free flow of Qi. It is not a personality trait. It is not anxiety being dramatic. It is a body doing exactly what it was designed to do — in a context it was never designed for.
Here in St. Helens, and across everything I see in my practice, this pattern is everywhere. So let’s name it clearly. Here are five signs that your nervous system has quietly taken over.
Sign 1: You can’t fully exhale.
Not literally — though for some people, shallow breathing has become so habitual that a full breath actually feels unfamiliar, even uncomfortable. What I mean is: you cannot land. Even when you have a moment of quiet, your mind is somewhere else. You’re always half-scanning for the next thing.
In Chinese medicine, this is Liver Qi stagnation — the smooth flow of Qi that should carry you through your day getting stuck in a holding pattern. The Liver governs the smooth movement of Qi through the body. When it’s chronically constrained — by stress, frustration, perfectionism, or a pace that never slows — the whole system tightens.
Sign 2: Your sleep is light, broken, or unreachable.
You fall asleep okay and wake at 3am with your mind already working. Or you can’t fall asleep at all, even when you’re exhausted. Or you sleep but wake feeling like you never actually rested.
All three are signs the Shen — your spirit, housed in the Heart — cannot settle. Heart Blood or Heart Yin deficiency is the most common root: the Heart does not have enough nourishment to give the Shen a quiet place to anchor during sleep.
Sign 3: Your digestion is unpredictable.
Bloating, irregularity, nausea at stressful moments, eating the same food one day and reacting to it the next. The gut’s enteric nervous system — sometimes called the second brain — mirrors the state of the central nervous system almost exactly. When the sympathetic system is dominant, digestion becomes a low priority. The body is preparing to run, not to absorb nutrients.
In Chinese medicine: the Spleen and Stomach govern digestion and are deeply sensitive to emotional strain, especially worry and overthinking. Chronic stress directly injures the Spleen’s ability to transform and transport.
Sign 4: Everything feels like too much.
Noise. Demands. The dog barking. A text message you don’t have the bandwidth to answer. Things that would not have registered a few years ago now produce a disproportionate internal reaction — irritability, shutdown, the desperate need to be alone in a quiet room.
This is sensory overload, and it lives at the intersection of Heart Blood deficiency and Kidney depletion. When the reserves are low, the filtering capacity drops. The nervous system can no longer buffer input the way it used to.
Sign 5: Your body holds tension that never fully releases.
The shoulders that rise toward your ears the moment your phone buzzes. The jaw you unclench seventeen times a day. The low back that locks up whenever a difficult conversation is coming. These are the body’s learned responses to threat — bracing patterns the nervous system has automated over years.
In Chinese medicine, this is Liver Qi constraint manifesting in the sinews — the Liver governs tendons and connective tissue, and when its Qi is stuck, the physical body reflects that stuckness.
What does Chinese medicine do about it?
The answer is genuinely multi-layered, which is both the honest truth and the reason I love this medicine.
Acupuncture directly downregulates the sympathetic nervous system, stimulating the vagus nerve and activating the parasympathetic response. This is not metaphor — it is measurable in cortisol levels, heart rate variability, and inflammatory markers.
Point selection targets the specific pattern: Liver Qi constraint looks different from Heart Blood deficiency looks different from Kidney Yin depletion, and the treatment reflects that.
Home practices extend the treatment between sessions: slow diaphragmatic breathing, acupressure at specific calming points, adaptogenic herbs, magnesium, and protecting the hour before bed from screens and stimulation.
Dietary support nourishes what has been depleted — Blood-building foods, warming and easy-to-digest meals, avoiding the things that tax an already strained system.
The nervous system did not get here overnight. Recovery is also not overnight. But the body responds. In my experience — and in the research on acupuncture and autonomic nervous system regulation — most people notice meaningful shifts within a handful of sessions.
If you recognized yourself in two or more of these signs, that recognition is worth acting on.
Your nervous system is asking for something different.
I’m now seeing patients for acupuncture in St. Helens, OR. If your body has been stuck in high-alert longer than you’d like, let’s work on that together.
Book your first visit or join my waitlist at sashadewsnup.com.
Helping you to heal. — Sasha
RESOURCES
Tools to Support Your Nervous System
Supplements
▸ Magnesium glycinate — the most bioavailable form for nervous system and sleep support
▸ Ashwagandha (KSM-66) — cortisol regulation and adrenal support
▸ Holy basil / tulsi — gentle adaptogen, nervous system tonic - I love this tulsi tea!
▸ L-theanine — calming amino acid; excellent for the wired-but-tired pattern
Evening Wind-Down Tools
▸ Weighted blanket (15–20 lbs) — activates the parasympathetic system through deep pressure stimulation
▸ Acupressure mat — use for 20 minutes before bed to calm the nervous system
▸ Blue-light blocking glasses — protect the melatonin signal in the evening hours
▸ Essential oil diffuser + vetiver, cedarwood, or frankincense (grounding and calming to Heart Fire)
Books
▸ Why Zebras Don’t Get Ulcers by Robert Sapolsky — the biology of chronic stress, brilliantly explained
▸ The Body Keeps the Score by Bessel van der Kolk — how trauma and stress live in the body
▸ Accessing the Healing Power of the Vagus Nerve by Stanley Rosenberg
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Find Me
Email: contact@sashadewsnup.com
Phone: 503-498-5665
Address: 1561 Columbia Blvd, St Helens, OR
Hours: Thursday and Friday, 9 AM to 4 PM
Cash-pay - Superbills available
Credentialing: Moda & BCBS
Sasha Dewsnup, DAaCHM, LAc, CTRS, CCLS
Chinese medicine for nervous system regulation, maternal recovery, and structural pain — serving St. Helens and the Columbia River Valley.
