Relaxation Techniques That Actually Improve Performance

"Relax" is often treated as the opposite of performing well, as if winding down and doing your best work belong to entirely separate parts of the day. Research on relaxation and physiological arousal suggests otherwise: genuine relaxation is a specific, measurable state — not just unstructured downtime — and it has a direct, testable relationship with how well you perform afterward.

This article covers what actually counts as relaxation physiologically, the research connecting it to performance, and specific techniques with evidence behind them rather than just a general reputation for being calming.

Why scrolling your phone isn't the same as relaxing

Not all downtime produces the same physiological state. Herbert Benson's research at Harvard Medical School identified what he called the "relaxation response" — a specific state marked by reduced heart rate, blood pressure, and oxygen consumption, distinct from simply not working. Passive activities like scrolling can occupy time without producing this state, which is part of why "rest" that doesn't include genuine relaxation often fails to actually recharge anyone.

The research on arousal and performance

The Yerkes-Dodson law, one of the oldest findings in performance psychology, describes performance as peaking at a moderate level of physiological arousal — both too little arousal (under-stimulation, boredom) and too much (overwhelm, panic) impair it. This is part of why genuine relaxation matters for performance specifically: it's not about eliminating arousal entirely, but about returning it to the range where performance is actually strongest, rather than staying pinned at an unproductively high level. Think of it the way you'd think about a car engine idling: too low and it stalls, too high and it screams past the point where it's doing useful work — the arousal you want sits in that same narrow, productive middle band.

The research on progressive muscle relaxation

Edmund Jacobson's original research on progressive muscle relaxation, and studies that have followed it, found that systematically tensing and then releasing muscle groups reduces physiological arousal and improves performance on subsequent tasks carried out under pressure. The mechanism is a directly felt one: deliberately tensing a muscle group makes the contrast on release more noticeable, which seems to help the body register the shift into a genuinely lower-arousal state, rather than simply being told to "relax" in the abstract. It's the same reason you notice a room's temperature more clearly the moment you step out of the cold and into the warm — contrast makes a state easier to feel than a flat instruction ever could.

Relaxation techniques with genuine evidence behind them

Progressive muscle relaxation before a demanding task

Working through major muscle groups — tensing for a few seconds, then releasing — produces a measurable, physically felt shift into lower arousal that's more concrete than a general instruction to calm down, per Jacobson's research and its later replications.

Slow, extended exhale breathing

Breathing patterns with a longer exhale than inhale are associated with parasympathetic nervous system activation — the physiological system responsible for the "rest and digest" state that underlies genuine relaxation, as opposed to sympathetic arousal.

Cyclic sighing: a fast physiological reset

A 2023 Stanford study led by Melis Yilmaz Balban, published in Cell Reports Medicine, found that just five minutes a day of "cyclic sighing" — a double inhale through the nose followed by a long, slow exhale through the mouth — improved mood and lowered breathing rate more effectively than either mindfulness meditation or box breathing over the same period. Unlike a general instruction to breathe slowly, this is a specific pattern with its own tested dose: a few minutes, once a day, before or after the moments that need it most.

Mental rehearsal: picturing the specific moment, not just "success"

A meta-analysis by Driskell, Copper and Moran (1994) found that mental practice — deliberately rehearsing a task in detail before performing it — measurably improves subsequent performance, with the strongest effects when the rehearsal includes both the physical and cognitive elements of the task. Picturing the actual demanding moment ahead, rather than a vague sense of "doing well", gives your nervous system something concrete to rehearse rather than something to merely hope for.

Write down what you're actually relaxing from

Naming the specific source of tension (a difficult meeting, an unresolved decision) before attempting to relax makes the relaxation more targeted than a vague, generic wind-down, and gives you something concrete to notice easing as the technique works.

Time the technique before the task, not just after

Because the goal is arousal in the moderate, performance-supporting range described by the Yerkes-Dodson law, using a relaxation technique just before a demanding task can help bring down excess pre-task arousal, rather than only using it as a post-task recovery tool.

Distinguish genuine relaxation from passive distraction

Scrolling, half-watching something, or other passive activities can fill time without producing Benson's relaxation response. If a technique doesn't include a deliberate physiological component — breath, muscle tension and release, focused attention — it may be occupying time rather than genuinely lowering your arousal.

What to stop doing

Stop assuming any downtime counts as relaxation. Benson's research found the relaxation response is a specific physiological state, not simply the absence of active work.

Stop trying to eliminate arousal entirely before a demanding task. The Yerkes-Dodson law suggests a moderate level of arousal supports performance better than none at all.

Stop using vague, generic "calm down" instructions instead of a concrete technique. Progressive muscle relaxation research found a specific physical process produces a more noticeable shift than being told to relax in the abstract.

Stop reserving relaxation techniques for the end of the day. Timing a technique before a demanding task can bring pre-task arousal into the range where performance is actually strongest.

Built to hold the specific thing you're relaxing from, before the moment you need to perform.

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Related Reading

• 10 Practical Ways to Reduce Stress That Aren't "Just Breathe"
• How to Lower Stress in 5 Minutes: A Quick Reset Technique
• How to Make Stress Work for You Instead of Against You

When to Take It More Seriously

If persistent tension or an inability to relax is connected to a broader pattern of anxiety or burnout that these techniques don't shift, that's worth raising with your GP rather than treating it purely as a relaxation issue.

In the UK, you can self-refer for CBT and other evidence-based therapies via your local NHS Talking Therapies service at nhs.uk.

This article is a starting point, not a diagnosis. If you are concerned about your mental health, please speak to a professional.

Frequently Asked Questions

Does relaxing before a task actually help you perform better, or is that just an excuse to procrastinate?

There's genuine research behind it. The Yerkes-Dodson law found performance peaks at a moderate level of physiological arousal, and too much pre-task arousal can impair performance just as much as too little — so timed relaxation isn't procrastination, it's arousal management.

What's the difference between relaxing and just resting?

Herbert Benson's research identified the "relaxation response" as a specific physiological state — reduced heart rate, blood pressure, and oxygen consumption — distinct from passive rest like scrolling, which may not produce that state at all.

Does progressive muscle relaxation actually work, or is it just a placebo?

Edmund Jacobson's original research and later studies found that systematically tensing and releasing muscle groups measurably reduces physiological arousal and improves performance on tasks carried out under pressure afterward.

When is the best time to use a relaxation technique — before or after a demanding task?

Both have a role, but using one before a demanding task can bring excess pre-task arousal down into the range where performance is strongest, rather than only using relaxation as post-task recovery.