Interactive Timeline
See your caffeine across the whole day
Every drink adds to the curve. Spot your peak, watch the decay, and see exactly how much is left at bedtime.
Your drinks today
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Drink
Total today0 mg
Estimated Peak—
At bedtime—
Cutoff time—
Calculations assume an average adult caffeine half-life of approximately 5 hours and an estimated absorption period of around 45 minutes. Individual responses to caffeine may vary.