Hypervigilance
Hypervigilance is a heightened state of alertness in which a person constantly scans for danger, often after trauma, leading to tension and exhaustion.
Definition
Hypervigilance is an exaggerated state of sensory sensitivity and threat-monitoring. It is a common hyperarousal symptom in PTSD and anxiety, keeping the nervous system on high alert. Over time it can cause fatigue, irritability, and sleep problems. Screening measures related symptom levels.
What it can feel like
- Constantly scanning your surroundings for threats.
- Being easily startled by sudden sounds.
- Difficulty relaxing or sleeping.
- Sitting where you can see exits or entrances.
Related screening tests on LuriaLab
Related glossary terms
Questions fréquentes
Is hypervigilance the same as anxiety?
They overlap. Hypervigilance is a specific state of heightened threat-monitoring often linked to trauma, while anxiety is broader. Both can be screened.
Can hypervigilance improve?
Yes. Trauma-informed therapy and nervous-system regulation techniques can reduce hypervigilance over time.
Sources
- National Center for PTSD — hyperarousal symptoms
- DSM-5-TR — PTSD criteria (clinical reference)
Last reviewed: 2026-07-02. Screening tools on LuriaLab are for education only and do not provide a diagnosis.