TempoLife › Features › Caffeine fade
Caffeine fade
The visitor logs cups and times. The tool draws a fade curve with one stated half-life and marks a clock time. The curve is a population model. The same search exists in German, French, Spanish and Portuguese, so the host ships all nine languages.
Enter the inputs. The page computes a result that did not exist as a static article.
This is a general-purpose tool, not medical, legal or financial advice. Figures are estimates from published food data or arithmetic. A qualified professional owns decisions that affect your health.
How to use it
Inputs are cup sizes and times. Computation applies one half-life. Output is a clock and a curve.
Result
The tool runs in your browser. Nothing from the camera, microphone or sensors is uploaded. With JavaScript off, the worked example below is still computed on the server.
A worked example
A 95 mg mug, using a five-hour half-life, has about 55 mg left after four hours. It is a decay curve, not a sleep prescription.
| Item | Grams | Energy (kcal) | Protein (g) |
|---|---|---|---|
| Filter coffee, 5-hour half-life, 4 h later | 95 | 54.6 | — |
Continue on TempoLife
The day's total belongs on the caffeine calculator. The evening milligrams would travel as a query. needs apex prefill.
Keep the result in an account
TempoLife keeps food, movement and sleep in one private place, so this result can become part of a day instead of a one-off page.
Source
A single population half-life used as a clock model on drinks the visitor logs. FDA consumer caffeine page is the named public source for typical amounts. Not a personal prediction.
Spilling the Beans: How Much Caffeine is Too Much? — US government work, public domain. The page is a consumer source for caffeine amounts, not a personal limit.
Frequently asked questions
Where is my data stored?
In this browser (localStorage and the link you copy). Camera, microphone and motion frames never leave the device. TempoLife does not receive the plate you built unless you continue into an account and log it there.
Where do the numbers come from?
A single population half-life used as a clock model on drinks the visitor logs. FDA consumer caffeine page is the named public source for typical amounts. Not a personal prediction.
Where does this tool stop?
caffeineclock lists typical amounts in drinks. fadeclock runs a half-life clock on cups the visitor logs this evening. It is a model, not advice to drink or to avoid caffeine, and not a sleep diagnosis.