This App provides a simulation of caffeine amount and some indications of the psychological effects. It helps you learn to use caffeine products more wisely. It is not intended to be used as a medical device, but as a demonstration of the pharmacokinetics of caffeine. nnFeatures: nShows the caffeine amount in your body based on model derived from research. nTells you what amounts for alertness and what amount you will have at sleep time. nTeaches you to use caffeine products more wisely.