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Comment by d0100 | Hacker News Reader

Whenever threads mention caffeine I am compelled to share that caffeine has no effect whatsoever on me.

To my sadness, it feels like I'm excluded from a common universal community and performance advantage

I had the same issue due to excessive coffee drinking. Stopping cold for 2-3 weeks helps to bring back some of the effectiveness later. But any regular dose even after this is rapidly tolerance-building.

Caffeine has a serious effect on me - it makes me jittery and screws up my sleep. I gave up caffeine in the late 80s - to my happiness, actually. I consider it a competitive advantage.

As a counterpoint whenever I have caffeine I am maniacal focused on something and turn into an asshole for at least 12 hours. It warps me as a human.

Pretty much the same here.. I drink a lot of coffee just to have a hot drink, but I can drink coffee at night and it doesn't seem to do anything. Maybe a little, but I hardly notice.

Same here, I imagine this might be due to me drinking coke zero in huge quantities, and that somehow making me indifferent to caffeine even when i am not drinking coke.

The only time I’ve felt effects of caffeine is horrible jet lag combined with 900mL of cold brew (about 1400mcg of caffeine). I was lifted from the dead and felt the highest relative improvement in mood and wellbeing in my life.

I once tried to improve my math exam scores by drinking 4 espressos but didn’t feel a thing. I can easily fall asleep after 2 cups of coffee.

Try crack.

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