Why does coffee make me tired?

Although coffee’s caffeine content makes it a stimulant, some people feel tired after they drink a cup. Learn about why coffee could make a person feel tired here.

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If I drink more than 3 cups it definitely effects me negatively Iv learned, if I stay at 3 cups im good to go.

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Originally Posted by smalls1

If I drink more than 3 cups it definitely effects me negatively Iv learned, if I stay at 3 cups im good to go.

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Me too. Morning always and afternoon sometimes. I feel way better.

2 cups in the early morning is what I look forward too and I dont feel a drop in energy later.

I take Vivarin. It works. 200 mg of caffeine per pill. Some mornings I take 2. boom

I have wondered if too much caffeine can cause adrenal fatigue taking it day after day, say 400mg or more..

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Originally Posted by smalls1

I have wondered if too much caffeine can cause adrenal fatigue taking it day after day, say 400mg or more..

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Interesting point. I take boatloads of caffeine. Once in a while I go a day without it and I dont feel too bad. Seems adrenal fatigue is possible if you keep cranking up the adrenals

Caffeine and the central nervous system: mechanisms of action, biochemical, metabolic and psychostimulant effects. - PubMed - NCBI