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Likewise. I can happily drink coffee at bedtime. I never experience a "coffee rush".

A yoga instructor friend once told me "You have a sluggish metabolism". I cannot deny it.

Huh. I have a very fast metabolism and coffee greatly affects me. Even one cup and I get the sweats, my heart will beat funny and I get anxious and a bit hyper for a while before a crash later in the day.

I wonder if metabolism speed really is an indicator of caffeine "impact".

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