1. a state of heightened physiological and psychological alertness, often characterized by increased heart rate, muscle tension, and sensitivity to stimuli; commonly associated with anxiety, trauma, or stress disorders.
Usage: psychology and medical contexts; often used in discussions of post-traumatic stress disorder (PTSD) and anxiety disorders

Examples

• The patient's hyperarousal made it difficult for her to sleep through the night.
• After the accident, he experienced hyperarousal and startle responses to loud noises.
• Hyperarousal is a common symptom in individuals diagnosed with PTSD.
• The therapist worked with the client to reduce hyperarousal through breathing exercises.
• Combat veterans often struggle with hyperarousal and difficulty relaxing in social settings.
• Chronic hyperarousal can lead to exhaustion and other health complications.