Guides
Reaction Time Guides
Clear, sourced explanations of how reaction time works, what affects it and how to improve it.
Reaction Science
How reaction time works: perception, processing and response.
Reaction Time vs Response Time: What's the Difference?
Reaction time is how long it takes to start responding to a signal. Response time is the whole thing: reaction time plus the movement that follows. Here's the difference, with examples from tests, driving and gaming.
5 min read
What Is the Fastest Human Reaction Time?
There's no official world record for reaction time, but research and sprint starts show where the human limit is. Sprinters can sometimes react to the gun in under 100 ms, while most people average around 200 ms or more.
6 min read
Factors Affecting Reaction Time: 10 Things That Speed You Up or Slow You Down
Your reaction time isn't a fixed number. It shifts with the kind of signal, the decision involved, your age, sleep, attention, caffeine and even your mouse. Here are the factors that matter most.
7 min read
What Is Reaction Time? A Clear Explanation
Reaction time is the delay between something happening and you responding to it. Here's what that delay is made of, the main types, and how it's measured.
6 min read
Visual vs Auditory Reaction Time: Which Is Faster?
Most studies find people react faster to a sound than to a light. Here's why, and how to test the difference on yourself.
5 min read
Training
Evidence-informed ways to practise and improve reaction speed.
Reaction Time Training: Drills, Routines and What Actually Works
Training won't rewrite your nervous system, but structured practice makes you more consistent, better at anticipating, and faster at the decisions that matter. Here's how to train, and how to measure it honestly.
8 min read
How to Improve Your Reaction Time
You can't rewire your nervous system overnight, but sleep, smart practice, focus and a lower-latency setup can make your reactions faster and, just as importantly, more consistent.
8 min read
Gaming
Reaction time in competitive and casual gaming.
How to Improve Your Aim: A Practical Guide for FPS Players
Better aim comes from consistent settings, good crosshair placement, short focused practice and enough sleep. Here's a practical routine for FPS games like PUBG, and how to measure your progress honestly.
7 min read
Reaction Time for Gaming: What Matters and How to Get Faster
In fast games, a few tens of milliseconds can decide a duel. But raw reflexes are only one part of in-game reaction time. Your system latency and decision-making matter too.
7 min read
Statistics
Benchmarks, averages and how to interpret reaction time data.
Performance
Sleep, caffeine, fatigue and other factors that affect performance.
F1 Driver Reaction Time: How Fast Do Drivers React at the Start?
Formula 1 drivers launch their cars about 0.2 seconds after the start lights go out, on average. Here's what that number includes, how drivers train for the start, and how your own time compares.
6 min read
Reaction Time and Sleep: How Sleep Loss Slows You Down
Sleep loss is one of the most reliable ways to slow your reactions. It doesn't just raise your average. It causes lapses, moments where you respond far slower than usual.
6 min read
Caffeine and Reaction Time: Does Coffee Make You Faster?
Research generally finds moderate caffeine improves alertness and reaction time, especially when you're tired. The catch: too much, or too late in the day, can backfire by wrecking your sleep.
6 min read
Hardware & Latency
Mice, keyboards, displays and the latency they add.
Try the reaction time test
Five attempts, about a minute. See your average, median and consistency instantly.