Your Circadian Rhythm
They Track Your Sleep.We Optimize Your Entire Day.
Sleep trackers show you what happened. Body Clock tells you what to do next — meals, workouts, supplements, focus, and sleep, all timed to YOUR biology.
No hardware. No subscription. A 2-minute quiz, a $29 protocol, and Nobel Prize-winning science.
Based on Hall, Rosbash & Young (2017 Nobel Prize in Medicine)
Most people spend the whole day fighting their body. You'll learn to work with it.
Get your free rhythm map100% free · No email needed · 2-minute quiz
Free 60-second quiz
Which animal are you?
Your chronotype makes you a Lion, Bear, Wolf, or Dolphin — and your ideal day runs on a different clock for each. Find yours, and watch yourself transform.
60 seconds · no signup · see your transformation
What is a chronotype?
The 60-second version.
Every cell has a clock
Every cell in your body runs on a 24-hour clock.
Together they run your day
Together, those clocks run your day — when you wake, eat, focus, and sleep.
Your chronotype is your schedule
Your chronotype is the specific schedule your clocks keep. Some people peak at 5am. Others at 10pm. Most are somewhere in the middle.
Fight it → exhausted. Use it → easier.
Fight it and everything feels hard. Use it and everything gets easier.
The bigger picture
Your body runs this cycle every single day
Every organ. Every tissue. Every cell. All following the same 24-hour schedule — whether you're aware of it or not.
But here's the thing — when your cycle runs is unique to you. Your chronotype determines whether your peak performance happens at dawn, midday, or midnight. And most people spend their entire lives working against it.
What's Inside
Your entire day — not just sleep
Sample Daily Schedule
The Research
Built on Nobel Prize-winning circadian science
This isn't wellness advice. It's molecular biology — peer-reviewed and prize-winning.
Every cell runs on a clock
The 2017 Nobel Prize in Medicine was awarded for discovering that every cell in your body runs on a 24-hour molecular clock — controlling when you sleep, digest, heal, and focus.
Hall, Rosbash & Young — Nobel Prize in Physiology or Medicine
Your chronotype is genetic
Genome-wide association studies identified over 350 gene loci tied to your sleep-wake preferences. Your chronotype isn’t a habit — it’s coded into your DNA.
Jones et al., Nature Communications
When matters as much as what
The same medication can be 2–5x more effective depending on timing. Exercise, meals, and supplements all follow the same rule.
Ruben et al., Science
Free tools · no signup
Try your timing right now
Free, science-backed calculators — enter your wake time and see your ideal moments. No account needed.