Caffeinator
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Caffeinator estimates active caffeine from your selected drinks, absorption timing, and caffeine half-life, then blends that with a simple daily energy curve and post-meal drowsiness model to suggest when to drink next. It is a lightweight planning toy, not medical advice. Logic co-generated and cross-verified by Gemini Flash 3.5, GPT-5.5, and Claude Sonnet 4.6.
Available settings
Wake Time
When does your day usually start?
Example: 07:00
Sleep Time
When do you plan to go to bed?
Example: 23:30
Breakfast Type
How heavy or carb-forward is breakfast?
Example: Skip
Breakfast Time
Around what time do you eat breakfast?
Example: 08:00
Lunch Type
How heavy or carb-forward is lunch?
Example: Skip
Lunch Time
Around what time do you eat lunch?
Example: 12:45
First Drink
Your first caffeine option for the day.
Example: Espresso
Second Drink
Your optional second caffeine option.
Example: Latte
Third Drink
Your optional third caffeine option.
Example: Skip
Metabolism
How quickly do you tend to clear caffeine?
Example: Normal
Time Format
Choose how times appear on the display.
Example: AM/PM
