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Caffeine
--:--
0
mg
in your system now
Clear
Log your first drink to see your caffeine curve.
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📈 Curve
🕑 History
⚙ Settings
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Log a Drink
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Custom Amount
100
mg
Adjust then log a custom dose
−25
−5
+5
+25
Log 100 mg
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Caffeine Curve
+ Log
Now
0 mg
Peak
0 mg
Under 50 mg
—
At bedtime
—
caffeine
now
sleep threshold
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History
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Settings
Caffeine half-life
time to clear half
−
5.0 h
+
Bedtime
for sleep estimate
−
23:00
+
Daily limit
recommended max
−
400 mg
+
Clear all data