We've had people tell us Clarity changed how they train, how they work, and how they sleep.

Most interestingly, people have told us that they are in fact drinking more caffeine, safe in the fact that they understand how the dose is being processed in their body and how it could be impacting their sleep if not timed correctly.

This isn't we invented anything. Because we put the science somewhere people actually use it - on their phone, in their routine, before the decision gets made.

Sleep debt doesn't just make you tired. It degrades decision-making, reaction time, and emotional regulation, and you often can't feel how impaired you are.

Most people try to fix it with more caffeine. That makes it worse.

Clarity helps you use caffeine to perform better today without destroying tomorrow.

5 days until our Product Hunt re-launch. Follow along. We're excited to show you the changes since the last launch.

We're the most caffeinated generation in history, and also the most health conscious.

We already track macros, steps, reps, heart rate and sleep. But there's a hidden variable that effects every single one of these metrics that nobody has even considered.

Many of us have transitioned to knowledge work and most of us, if not all, rely on caffeine to boost our mental performance.
If it weren t so effective we wouldn t drink it.
We know caffeine is particularly effective for combating fatigue and improving focus. But what if it could be even more so?
The first step is raising awareness about the daily habit we consume without fully understanding its effects and timing.
This is where clarity shines this is Clarity s purpose.

We stripped Clarity back to what actually matters:

Caffeine timing optimised around your sleep window

Half-life tracking so you know exactly what's still active

Personalised cutoff times based on your chronotype

Most people drink coffee when they're already tired. That's the problem.

Your body doesn't respond to caffeine the way you think it does. The timing is almost always wrong and the cost shows up in your sleep, your mood, and your next day's focus.

We built something to fix that and it re-launches in 7 days.

Clarity is so much more than a product.

While it's a great product ( unbiased opinion of course ), it's a whole movement.

Caffeine has a half-life of ~5 6 hours for most people.

That 3pm espresso? Half of it is still active in your system at 9pm. A quarter of it is still there at 2am.

You're not bad at sleeping. You're caffeinating too late.

Clarity is built around this science. Re-launching on Product Hunt in 6 days.

I'm Joe, the founder of Clarity: Caffeine and Focus, and I'm genuinely excited to be back.

We finished 3rd on Product Hunt last time, and since then I've been heads-down rebuilding the core experience based on what users actually needed.

What Clarity does:

Most people caffeinate by habit. Same time every day, regardless of how they slept, what they're doing, or when they need to perform. Clarity gives you a personalised caffeine strategy, exact timing for focus windows, workouts, and social energy, with a hard cutoff that protects your sleep.