Hypervigilance is a state of heightened alertness where the mind constantly scans for danger. It is common in anxiety disorders and can make everyday situations feel threatening. Research by Beck, Barlow, and Clark shows that hypervigilance amplifies physical sensations, increases catastrophic thinking, and keeps the threat system active.
Hypervigilance interacts closely with attention bias, anxiety sensitivity, and interoceptive hyperawareness.
Hypervigilance is the mind’s attempt to stay safe by monitoring for potential threats. It is not a conscious choice — it is an automatic response driven by the threat system. When the brain believes danger is possible, attention becomes narrow, fast, and threat-focused.
Signs of hypervigilance include:
Hypervigilance develops when the brain learns that being alert is necessary for safety. This learning often comes from stressful experiences, uncertainty, or repeated anxiety episodes. Research by LeDoux and Barlow shows that the threat system becomes sensitised over time, making it easier to trigger.
Hypervigilance is especially common when:
Hypervigilance keeps the threat system active by constantly searching for danger. This increases physical sensations, which are then misinterpreted as signs of danger — creating a self-reinforcing loop similar to the anxiety cycle.
Hypervigilance also:
“If I stay alert, I can prevent danger.” Hypervigilance detects discomfort, not danger.
“I can’t relax because something might happen.” This belief is shaped by past learning, not current reality.
“My body is warning me.” Hypervigilance amplifies sensations — it does not predict threat.
CBH helps reduce hypervigilance through evidence-based methods supported by research from Wells, Barlow, and Alladin.
This approach is especially effective when combined with attention retraining and threat system retraining.