Why Coffee Can Have the Opposite Effect and Make You Sleepy
Table of ContentsView AllTable of ContentsSleepiness After CoffeeCaffeinated DrinksHow to Feel Awake Table of ContentsView All View All Table of Contents Sleepiness After Coffee Caffeinated Drinks How to Feel Awake People drink coffee for its ability to increase alertness. However, for some people, coffee makes them more tired. This is likely due to caffeine blocking the receptors of a chemical found in human cells called adenosine. It may also be due to poor sleep habits or the development ofcaffeinetolerance....