When to drink coffee so it does not ruin your sleep — a short read, when you are not sure this will work

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Here is what tends to work, in the order that helps most.

Not being sure it will work is a perfectly good reason to try it once.

If you only do one thing from this page, do the first point below. It is first because it removes the most friction for the least effort.

A reasonable cut-off for most people is early afternoon. If you are sensitive, make it noon.

Caffeine peaks in your blood about thirty to sixty minutes after drinking, and takes roughly five to six hours to halve.

Watch for the sources that are easy to forget: tea, cola, energy drinks, chocolate, some painkillers.

If you are cutting down, do it gradually. Going from four cups to none produces a headache that people mistake for proof they need caffeine.

Drink your last coffee before you feel tired. Using it as a rescue at 4pm is what pushes the problem into the night.

Do not judge by whether you feel wired. Habitual drinkers stop feeling the effect long before it stops affecting sleep.

Decaf still contains a small amount, but it is usually low enough not to matter. It also keeps the ritual, which is half of the habit.

A short nap straight after a coffee is a real technique, but it only works if the coffee is before 2pm.

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