It’s a common question: Is this anxiety, or is it just stress? The line between the two can feel blurry. Both involve tension in the body, racing thoughts, and feeling overwhelmed. Both can leave you lying awake at night, replaying the day or anticipating tomorrow. But clinically, there are some key differences worth paying attention to, because how we label the experience often shapes how we treat it.
Stress vs. Anxiety: Where They Overlap, and Where They Don’t
Stress is usually a response to an external situation—a deadline, a conflict, an exam. It tends to fade when the stressor passes. Stress can even be adaptive: it mobilizes your body’s fight-or-flight response, sharpens focus, and helps you perform.
Anxiety, on the other hand, doesn’t require an external trigger. It’s more internal, persistent, and disproportionate to the situation at hand. Anxiety disorders are marked by excessive worry, avoidance, and physiological symptoms (trembling, sweating, rapid heartbeat) that continue even when there’s no immediate threat. In other words, stress is situational; anxiety is longer-lasting.
What the Research Says
Our diagnostic guidelines (the DSM-5-TR) distinguishes anxiety disorders from stress reactions based on duration, intensity, and impairment in daily functioning. Research consistently shows that chronic stress can evolve into an anxiety disorder if the nervous system stays on high alert for too long (McEwen, 2007).
A useful marker is functional impairment. If worry or physical tension significantly interferes with work, school, sleep, or relationships, it’s more than stress—it’s likely an anxiety disorder. Self-report questionnaires, such as the GAD-7, can help screen for clinical levels of anxiety.
How Therapy Helps Both
Fortunately, whether you’re “just stressed” or living with an anxiety disorder, evidence-based therapies can help.
- Cognitive Behavioral Therapy (CBT) helps people identify distorted thought patterns (“What if I fail?” “What if something goes wrong?”) and replace them with more balanced, realistic thinking. CBT also includes behavioral experiments and exposure, which help retrain the nervous system’s response to fear.
- Acceptance and Commitment Therapy (ACT) prioritizes making space for difficult emotions while moving toward values-driven actions. Instead of trying to control or eliminate worry, ACT helps change your relationship with stressful and anxious thoughts and feelings. This helps break the cycle of avoidance that often worsens both stress and anxiety.
- Mindfulness-based interventions (including Mindfulness-Based Stress Reduction, Kabat-Zinn, 1990) reduce both stress reactivity and anxiety by shifting attention away from rumination and toward present-moment awareness.
- EMDR (Eye Movement Desensitization and Reprocessing) helps with anxiety by reprocessing distressing experiences, calming the body’s overactive alarm system, and reshaping negative beliefs into healthier ones—allowing people to respond to stress with more flexibility and less fear.
Lifestyle and Sleep Hygiene
Clinical work is clear on this point: therapy is powerful, but it’s most effective when paired with supportive daily practices. Chronic sleep disruption, lack of exercise, and poor nutrition amplify both stress and anxiety. Evidence-based recommendations include:
- Keeping a consistent sleep schedule and limiting screen exposure before bed.
- Engaging in regular physical activity, which reduces physiological arousal.
- Building structured downtime into the day for recovery.
So, Do I have stress or anxiety?
If you find that your distress is temporary, tied to clear external pressures, and improves when the stressor resolves, it’s likely stress. If it persists beyond circumstances, disrupts your functioning, or feels overwhelming despite your best coping efforts, it may be an anxiety issue.
The most important step isn’t the label itself, it’s reaching for support. Both stress and anxiety respond well to therapy, lifestyle adjustments, and evidence-based strategies that help restore balance to the nervous system.
Our specialists at Dallas CBT help people with stress and anxiety everyday get out of stuck patterns and start living the lives they are meant to be living. If you are looking for the right support on your journey, reach out to schedule an appointment.
References
- American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.).
- Harvard Medical School. (2021). Anxiety and exercise: The connection. Harvard Health Publishing.
- Kabat-Zinn, J. (1990). Full catastrophe living. Delta.
- McEwen, B. S. (2007). Physiology and neurobiology of stress and adaptation: Central role of the brain. Physiological Reviews, 87(3), 873–904.
- Spitzer, R. L., Kroenke, K., Williams, J. B. W., & Löwe, B. (2006). A brief measure for assessing generalized anxiety disorder: The GAD-7. Archives of Internal Medicine, 166(10), 1092–1097.
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