Most of us know the feeling. A knot in the stomach before a presentation, lying awake at night replaying conversations, or that restless hum that follows you through a busy week. In those moments, it’s natural to wonder if what you’re experiencing is stress or something closer to anxiety.
The two can feel almost identical because they share many of the same signs. Your heart races, your chest feels tight, and your mind refuses to settle. But they aren’t the same. Stress is more like a sudden storm. It’s intense while it lasts, but it is usually tied to a clear event and quickly passes once the skies clear. Anxiety, on the other hand, can feel like a season that lingers, stretching on even when the forecast looks calm.
Learning to tell them apart matters. It shapes how you respond, how you care for yourself in the moment, and how you recognise when it may be time to reach for extra support.
What is Stress?
Stress is the body’s way of responding to pressure. It usually shows up when something in your environment demands more from you than feels manageable at the moment. Think of tight deadlines at work, preparing for a major life change, or navigating conflict in a relationship. These situations activate the body’s stress response, releasing hormones like cortisol and adrenaline that sharpen focus and prepare you to act.
In short bursts, stress can actually be useful. It can push you to finish a project, make quick decisions, or rise to a challenge. But it isn’t meant to last for long. When stress becomes chronic, i.e., when the pressure doesn’t let up, it can leave you feeling drained, irritable, and physically unwell. Headaches, digestive issues, tense muscles, or a racing heart are all common signs that your body is under strain.
Stress is typically linked to something identifiable and external. Once that situation passes or gets resolved, the intensity usually eases. That’s one of the biggest differences between stress and anxiety, which we’ll explore next.
What is Anxiety?
Anxiety is more than occasional worry or stress. It’s a mental and physiological state that can be internal, enduring, and cyclical, often arising even without a clear external trigger. People experiencing anxiety may notice their thoughts repeatedly looping over imagined scenarios, worst-case outcomes, or potential threats, creating a persistent sense of unease.
While stress primes the body to respond to an immediate challenge, anxiety isn’t always tied to a specific situation. It can be triggered by stress, but it can also arise independently, driven by rumination, perceived threats, or imbalances in brain chemistry. In this way, anxiety is less about the external pressure itself and more about how the mind interprets, anticipates, and reacts to potential danger, whether real or imagined. This is why anxiety can persist long after a stressful event has passed, or appear even when nothing in the environment seems threatening.
Symptoms of anxiety can include tense muscles, restlessness, difficulty sleeping, feeling easily startled, or a constant sense of dread. These physical and psychological responses are the body’s way of staying alert, even when the source of the perceived threat is internal rather than external.
Where Stress and Anxiety Overlap
Even though stress and anxiety have distinct causes and patterns, they share several physiological and psychological responses. Both engage the body’s alert systems, triggering symptoms like rapid heartbeat, shallow breathing, muscle tension, or digestive discomfort. This overlap can make it difficult to immediately tell which one you’re experiencing.
The key difference lies in duration and mental processing. Stress is usually tied to a specific event and subsides once the situation is resolved. Anxiety, however, can persist independently of external circumstances, often fueled by repetitive thought loops or imagined threats.
Understanding this overlap is important because it explains why someone might feel “on edge” even when the original stressor has passed. It also highlights the importance of addressing not just external pressures but the internal thought patterns that can amplify or prolong these sensations.
Key Differences Between Stress and Anxiety
Although stress and anxiety can feel similar, understanding their key differences can help you respond in ways that truly address the cause rather than just the symptoms.
Stress
Stress is largely situational and often resolves once the external pressure passes.
- External trigger: Stress typically comes from an identifiable source, like work demands, deadlines, or major life changes.
- Temporary duration: It tends to fade when the situation is resolved, allowing the body and mind to return to baseline.
- Action-oriented: Stress often motivates problem-solving or organising steps to manage the challenge.
- Focused thinking: Thoughts usually centre on the present situation and what needs to be done.
- Physical response: Rapid heartbeat, tense muscles, and short-term digestive issues are common but generally subside once the stressor is removed.
Anxiety
Anxiety is more internal, enduring, and cyclical, and it can arise even without a clear external trigger.
- Internal or unclear trigger: It may stem from perceived threats, repetitive worries, or imagined scenarios rather than an identifiable event.
- Persistent duration: Anxiety can linger long after any external situation has passed, sometimes for days, weeks, or longer.
- Paralysing effect: It can interfere with focus, sleep, or daily routines, leaving you feeling stuck or unable to act.
- Repetitive thinking: Thoughts often loop, anticipating worst-case outcomes or replaying past situations repeatedly.
- Prolonged physical response: The body may remain in a heightened state of alert, with continued rapid heartbeat, muscle tension, or fatigue, even in the absence of a direct threat.
When Stress Turns Into Anxiety
Stress is a natural response to challenges, but when it becomes prolonged or chronic, it can create the conditions for anxiety to develop. The body is designed to handle short bursts of stress, yet repeated activation of the stress response keeps the nervous system in a heightened state, even when no immediate threat exists. Over time, this can make the brain more likely to interpret neutral situations as potentially dangerous.
Psychologically, chronic stress can lead to rumination, i.e., the repeated replaying of events or worry about possible outcomes. These thought loops reinforce the body’s stress response, keeping the mind and body on high alert. When this pattern persists, it can evolve into anxiety, where worry becomes continuous rather than situational.
Physically, prolonged stress can cause persistent muscle tension, sleep disturbances, and digestive issues. These ongoing signals reinforce the brain’s perception of danger, further intensifying anxiety.
Practical Strategies to Manage Stress and Anxiety
1. Identify Your Triggers
Understanding what situations, thoughts, or behaviours spark your stress or anxiety helps you anticipate and respond before it escalates. Awareness is the first step toward control.
2. Practice Mindful Breathing
Slow, intentional breathing can calm the nervous system, reducing the body’s stress response and helping break the cycle of anxious thought loops.
3. Move Your Body
Physical activity, even a short walk, releases endorphins, lowers stress hormones, and helps the mind reset. Movement is a practical way to discharge tension.
4. Use Journaling to Process Thoughts
Writing down your worries or stressors allows you to externalise repetitive thoughts, identify patterns, and reflect on solutions. Journaling can act as a mental “pressure valve,” reducing the intensity of anxiety.
5. Limit Stimulants
Excess caffeine or sugar can amplify anxiety symptoms. Moderating intake supports more stable energy levels and reduces nervous system overactivation.
6. Set Boundaries
Learning to say no or delegate tasks prevents stress from accumulating and protects your mental bandwidth. Boundaries give the mind space to recover.
7. Establish a Relaxation Routine
Activities like meditation, reading, or a warm bath signal to your body that it’s safe to relax. Regular downtime reinforces calm and supports emotional regulation.
8. Seek Professional Support When Needed
Therapists or counsellors provide tools to manage both stress and anxiety effectively. Guidance from a trained professional can prevent symptoms from becoming chronic or overwhelming.











