Guides
Short, structured reads on baseline setup, privacy, and the comparison workflows that make Hydrogen answers worth trusting.
Fatigue Tracking for Knowledge Workers
Track fatigue patterns during desk work, reduce noisy conclusions, and build a reliable baseline.
Set the baseline
Install, track normal workdays, then build a baseline worth comparing.
What Is Fatigue Tracking?
Understand fatigue tracking, what it measures, and why baseline comparisons matter.
Best Productivity App for Windows
See what to look for in a Windows productivity app and how to compare options.
How to Track Focus on Windows
Track focus on Windows using sessions, time windows, and repeatable comparisons.
Focus Tracking App
See what a focus tracking app should actually do and how to evaluate one.
Microsoft Store Windows Productivity App
Understand why a Microsoft Store listing matters for a Windows productivity app.
What Are Reliable Minutes?
Understand reliable minutes and why they matter more than raw recorded time.
How to Measure Focus Patterns
Measure focus using sessions, activity signals, and consistent comparison windows instead of guesswork.
Work-Energy Trend Analysis
Compare work output, fatigue, and active minutes over time while accounting for coverage and reliability.
Keep control local
Decide what stays on your machine, what syncs, and how consent should work.
Privacy-First Productivity Tracking
Learn how to track productivity without giving up local control or clear consent.
How to Track Fatigue Without a Wearable
Track fatigue using desktop signals even if you do not have a wearable.
Local-First Productivity Tracking
See why local-first tracking improves trust, control, and setup simplicity.
What Is Local-First Tracking?
Learn what local-first tracking means and why it matters for privacy and trust.
Desktop Fatigue Tracking (Privacy-First)
How to track fatigue on your desktop while preserving privacy, local control, and explicit sync choices.
Compare and analyze
Reliable minutes, comparison windows, and sharper Hydrogen questions.
How Many Days Before Baseline Is Ready
See how many normal workdays you need before Hydrogen can compare real changes.
How to Know If Your Baseline Is Ready
Check whether your baseline is ready for comparisons before asking Hydrogen for answers.
How Many Days of Data Before Asking AI?
Know when your data is ready enough to ask Hydrogen for useful comparisons.
How to Compare Weeks on Windows
Compare weeks on Windows without confusing noise for a real change.
Work Pattern Comparison
Understand how to compare work patterns without getting lost in noise.
Compare Work Patterns Week Over Week
A week-over-week comparison workflow for work sessions, active minutes, and fatigue using stable baselines.
Self-Experiment Productivity Tracking
Run personal productivity experiments with labels, windows, and repeatable comparisons that avoid false wins.
Open Hydrogen and ask one specific question
The guides are a map — Hydrogen is where you apply them. Pick a comparison window and ask.