>>9396876It blocks rezeptors in your brain which regulate your wakeness level, which as a result produces stress hormones and the levels of hormones regulating wakeness states increase, meaning you will feel sleepier without the coffee and coffee itself will only get you to a normal state after the first couple fixes you get.
Just like any other drug.
For females on the other hand coffeeine will very much increase early miscarriages and in later pregnancy it increases ADHS and stress for the infant.
Don't do drugs. Just better yourself.