Track Caffeine.
Sleep Better.
Know exactly when you'll be sleep-ready. Unbuzz helps you build mindful caffeine habits with a friendly bear companion by your side.
Know exactly when you'll be sleep-ready. Unbuzz helps you build mindful caffeine habits with a friendly bear companion by your side.
Simple, beautiful tools to understand your caffeine habits and improve your sleep.
Log your favorite drinks with a single tap. We remember your preferences for faster tracking.
Watch caffeine clear on your personal half-life curve. Not the textbook 5 hours, the one your body actually runs on.
Know exactly when caffeine will clear your system so you can sleep peacefully.
Four questions (smoking, pregnancy, contraceptives, sensitivity) shift your half-life off the 5h baseline. Every input is shown in Why this curve?
Build healthy streaks and unlock achievements as you develop mindful caffeine habits.
Check your status at a glance with beautiful home screen widgets (Pro feature).
Three simple steps to better sleep.
Tap your favorite coffee, tea, or energy drink whenever you have one. It takes less than a second.
Watch caffeine decay in real-time based on your personal metabolism speed.
Get notified when you're sleep-ready. Build streaks and celebrate your progress.
The "5-hour caffeine half-life" is a population average. Yours is almost certainly different. Unbuzz starts from that 5h baseline and shifts it using four inputs you control.
Sources: Institoris et al. (2014) · Nehlig (2018)
Evidence-backed guides on caffeine, sleep, and habit change.
Five rules for caffeine without sacrificing sleep, energy, or sensitivity.
Read the guide →What a great caffeine tracker should do, and how Unbuzz approaches it.
Read the guide →A 21-day taper plan that minimizes headaches and rebound fatigue.
Read the guide →Symptoms, hour-by-hour timeline, and strategies that shorten the worst of it.
Read the guide →Restore caffeine sensitivity in 14–21 days — without going to zero.
Read the guide →Verified caffeine content for Starbucks, Dunkin, Red Bull, Monster, matcha, and 10 more drinks.
Browse the database →Download Unbuzz for free and discover when you're truly sleep-ready.
