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Ilkday brain · adults

Caffeine afore bed

A drink can last langer nor the afternoon. Explore hou muckle caffeine micht remain at bedtime wi several clearance assumptions.

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Gettin yer workspace ready…

A wee plan, based on research

This model adds the estimated caffeine left fae ilk drink, usin exponential decay. It assumes the full amount is available at the time o the drink and disnae model absorption. Drink sizes, caffeine content and clearance aw vary. The result is an illustration, no a measurement.

Caffeine can get in the gate o yer sleep. A low estimate disnae mean it’s safe tae drink or that yer sleep winna be affectit. This adult tool disnae gie personal safe doses or medical advice. For pregnancy or medicine questions, speir a professional.

A few handy answers

Why shaw mair nor ae estimate?

Half-life varies a guid bit atween fowk an circumstances. EFSA describes a wider range nor the illustrative band shawed here. The assumptions in this tool illustrate uncertainty; they dinna cover ilka body.

Can this tell me whit tae drink afore an exam?

Naw. It disnae predict exam performance, alertness or an individual safe dose. It helps adults explore hou the timing o drinks could affect caffeine left at bedtime.

Whit if ma drink is stronger?

Uise the label or a measured amount if ye can, an edit the milligrams. The common-drink values are approximate examples fae EFSA, no fixed values for ilka serving.

Habits ayont the study desk

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