What are 6 things that can worsen anxiety?

Six common things that worsen anxiety are: avoidance, poor sleep, excess caffeine or alcohol, isolation, constant reassurance-seeking, and fighting the physical sensation itself. Each one, in its own way, teaches the nervous system that the trigger or the feeling is dangerous, keeping the threat response active.

Key takeaways

Avoidance is usually the single most powerful factor in worsening anxiety over time.
Sleep loss directly increases the brain's reactivity to perceived threats.
Caffeine and alcohol both push the body's physiology closer to the anxious state, in different directions.
Isolation removes one of the most effective natural regulators of the nervous system: connection with others.
Fighting or resisting a feeling tends to prolong it; allowing it to move through tends to shorten it.

1. Avoidance

Skipping the situations, conversations or sensations that trigger anxiety brings quick relief and slowly worsens the pattern. Every avoided moment confirms to the nervous system that the threat was real, so it fires sooner and more intensely next time. This single habit does more long-term damage than almost anything else on this list.

2. Poor or irregular sleep

Sleep loss is one of the most well-documented amplifiers of anxiety. Inadequate sleep heightens activity in the brain's threat-detection circuitry and reduces the prefrontal cortex's ability to put feelings into perspective, meaning the same event feels more alarming after a bad night than it would after a good one.

3 & 4. Caffeine and alcohol

Caffeine raises heart rate and alertness, mimicking the physical signature of anxiety closely enough to trigger or intensify it in sensitive people. Alcohol works the opposite way in the moment, sedating the nervous system, but produces a rebound in anxiety as it wears off, and regular use for anxiety relief tends to increase baseline sensitivity over weeks and months.

5. Isolation

Withdrawing from people because anxiety makes socialising difficult feels protective but removes one of the body's most reliable natural regulators. Safe connection with another person genuinely calms the nervous system; taking it away leaves anxiety with fewer outlets and often makes it more intense, not less.

6. Fighting the sensation itself

Bracing against anxiety, demanding it stop, and telling yourself something is badly wrong adds a second layer of fear on top of the original one. Research comparing acceptance with suppression in people with panic found that those who allowed the sensation rather than fighting it experienced less distress and recovered more quickly. This is the thread that runs through most of the items on this list: resistance keeps anxiety fed, and willingness, gradually, starves it.

What actually works

Tackle one item at a time

Trying to fix sleep, caffeine, avoidance and isolation all at once is overwhelming. Pick the one costing you the most and work on it for a fortnight.

Replace fighting with allowing

The next time anxiety spikes, instead of bracing or demanding it leave, try simply noticing it: 'this is anxiety, it will pass'. Let the wave run its course.

Protect one solid sleep routine

A consistent wake time, even on weekends, does more for anxiety sensitivity than almost any single lifestyle change.

Choose connection over withdrawal

When the urge to isolate appears, aim for the smallest possible act of staying in contact rather than cancelling entirely.

What the research says

Accepting anxious sensations reduces distress compared with resisting them. People with panic disorder instructed to accept their sensations during a physiological challenge reported less distress than those told to suppress or control the sensations. Levitt et al., Behavior Therapy, 2004
Slow breathing practices measurably calm the physiological stress response. A systematic review of slow-breathing studies found consistent shifts towards parasympathetic (calming) nervous system activity. Zaccaro et al., Frontiers in Human Neuroscience, 2018
Brief structured breathing practices improve mood and reduce physiological arousal more than passive rest. A randomised trial found short daily breathing exercises outperformed an equivalent period of mindfulness meditation for improving mood and reducing respiratory rate, a marker of physiological arousal. Balban et al., Cell Reports Medicine, 2023

Frequently asked questions

Which of these six is the most important to fix first?

Avoidance tends to have the biggest long-term effect, but if sleep is severely disrupted, stabilising that first often makes everything else easier to work on.

Can anxiety worsen even if I avoid all six of these?

Yes, anxiety has biological, genetic and situational contributors too. Avoiding these six reduces unnecessary fuel, it does not guarantee anxiety will never appear.

Is it realistic to change all six at once?

Usually not, and trying to can itself become stressful. Gradual, consistent change to one or two habits tends to be more sustainable and effective.

Does exercise belong on this list?

Lack of movement can worsen anxiety for many people, since physical activity helps metabolise stress hormones, but its effect varies more between individuals than the six listed here.