Highly Sensitive Person, or HSP, is a term coined by psychologist Elaine Aron. According to Aron’s theory, HSPs are a subset of the population who are high in a personality trait known as sensory-processing sensitivity , or SPS. People with high levels of SPS have increased emotional sensitivity, stronger reactivity to both external and internal stimuli—pain, hunger, light, and noise—and a complex inner life.
The Highly Sensitive Person-Physical Health Connection
The relationship between highly sensitive person and physical health is bidirectional and profound. Modern neuroscience has confirmed what clinicians long observed: psychological states directly impact bodily systems.
Physical Symptoms of Highly Sensitive Person
People managing highly sensitive person commonly experience:
- Fatigue and low energy
- Headaches and muscle tension
- Digestive disruptions (IBS, nausea, appetite changes)
- Sleep disturbances affecting cellular repair
- Immune system dysregulation
- Cardiovascular effects (blood pressure, heart rate variability)
- Chronic pain amplification
How Highly Sensitive Person Affects Body Systems
Stress hormones: Highly Sensitive Person often elevates cortisol and adrenaline, which when chronically elevated cause inflammation, insulin resistance, and immune suppression.
Nervous system: The autonomic nervous system shifts toward sympathetic dominance ("fight or flight"), reducing digestive, immune, and reproductive function.
Inflammation: Psychological distress promotes inflammatory cytokines linked to heart disease, diabetes, and autoimmune conditions.
Physical Health Practices That Help Highly Sensitive Person
Research shows these interventions improve both highly sensitive person and physical health simultaneously:
- Regular aerobic exercise — 30 min, 3–5× weekly reduces symptoms significantly
- Anti-inflammatory diet — Mediterranean diet pattern supports mood and reduces inflammation
- Sleep optimization — 7–9 hours consistently transforms highly sensitive person outcomes
- Breathing practices — diaphragmatic breathing activates parasympathetic recovery
- Reducing alcohol and processed foods — both worsen highly sensitive person symptoms
When to Seek Integrated Care
Look for healthcare providers who address both physical and psychological dimensions if highly sensitive person is affecting your body. Integrative psychiatry, functional medicine, and psychosomatic medicine specialize in this overlap.