Simple mode uses three key factors:
- Sleep: 8 hours = 60 min focus, ±7.5 min/hour.
- Caffeine: 1 cup = +10 min, max +25 min.
- Difficulty: Easy (1) = 0, Hard (5) = -20 min.
Advanced mode adds more factors:
- Sleep, Caffeine, Difficulty: Same as simple.
- Stress: High stress cuts focus up to 20%.
- Age: -1% focus/year past 30.
- Hydration: Low water = -15% focus.
- Breaks: +10% focus per 5-min break.
- Fatigue: -5% focus/hour worked.
Max focus: 120 min. Learn More