Tracker
Daily Health Journal
A private, browser-only journal for logging sleep, water, steps and mood so you can spot your own patterns.
Daily Health Journal
Your saved days will appear here.
This tool is for education and general interest only. It is not a medical device and must not be used to diagnose, treat or make health decisions. Always consult a qualified professional.
How to use it
- Step 1Enter today's sleep, water, steps and mood.
- Step 2Click Save entry.
- Step 3Review your recent days in the table.
Why track habits?
Noticing patterns is the first step to understanding them. Logging simple daily habits can reveal links between, say, sleep and energy.
This journal is completely private: everything is stored only in your own browser using local storage. Nothing is sent anywhere.
Learn the science
Read about sleep, water in the body and exercise.
Questions & Answers
Frequently asked questions
Only in your browser (local storage). It never leaves your device and we cannot see it.
No. Because it stays on your device, it will not appear on other devices or browsers.
No. It is a simple educational habit tracker, not a medical record.
Understand the science
Go beyond the numbers
Every tool pairs with a guide that explains the biology behind it in plain language.