How much caffeine would a person have to take to produce insomnia like side-affects?

Question

I have had, roughly, 432Mg of caffeine today (and possibly other days.. Im addicted to Mountain Dew) and It just occurred to me that I probably can't sleep at nights because of this.. I lay in my bed, and my legs can't say still and my mind is racing at 100mph..

Thanks for any answers.

Answer 1

you would need a  and try stopping the Mountain Dew drink it may be washing away or stopping the caffeine from doing some work.

Answer 2

Three 8 oz. cups of coffee (about 250 milligrams of caffeine) per day is considered an average or moderate amount of caffeine. Ten 8 oz. cups of coffee per day is considered excessive intake of caffeine and can cause insomnia side-affects

Answer 3

maybe you should stop drinking mt dew