📊 Today's Summary
0
Coffees
0
mg Caffeine
400
mg Remaining
📈 Last 7 Days
📜 Coffee History
☕ Typical Caffeine Content
- Espresso (1 shot): 63mg
- Filter Coffee (8oz): 95mg
- Cold Brew (8oz): 100-200mg
- Instant Coffee (8oz): 60mg
- Decaf Coffee (8oz): 2-5mg
- Black Tea (8oz): 40-70mg
- Green Tea (8oz): 25-50mg
🌱 Factors Affecting Caffeine
Several factors influence the caffeine content in your cup:
- Bean type: Robusta has ~2x more caffeine than Arabica
- Roast level: Light roasts have slightly more caffeine
- Brew method: Longer extraction = more caffeine
- Grind size: Finer grind extracts more caffeine
- Water temperature: Hotter water extracts more
- Serving size: Larger servings contain more caffeine
💡 Tips to Reduce Jitters
- Stay hydrated - drink water alongside coffee
- Don't drink on an empty stomach
- Consider L-theanine supplements (found in tea)
- Space out your coffee intake throughout the day
- Try half-caf blends or mix with decaf
- Avoid coffee after 2 PM for better sleep
⚡ Caffeine Sensitivity Signs
Common signs you may be sensitive to caffeine:
- Rapid heartbeat or palpitations
- Anxiety or restlessness
- Difficulty falling asleep
- Digestive discomfort
- Headaches or migraines
- Tremors or shaking
If you experience these symptoms, consider reducing your intake, switching to decaf, or having your last coffee earlier in the day.
😴 Sleep-Friendly Habits
For better sleep quality:
- Stop caffeine intake 6-8 hours before bedtime
- Most people should avoid coffee after 2-3 PM
- Remember: caffeine has a 5-6 hour half-life
- Consider switching to herbal tea in the afternoon
- Track how late-day coffee affects your sleep
⚙️ Settings
FDA recommends max 400mg/day for healthy adults
Adjust warnings based on your sensitivity
Customize based on your usual coffee strength
📦 Data Management
Export your coffee history as JSON for backup