Tag: coffee robusta

Other Effects of Caffeine Caffeine has a mild stimulating effect so will make a person less drowsy and therefore delay sleep. But some people sleep well after evening coffee, others do not. Excessive caffeine consumption, in the small percentage of the population who are sensitive to the stimulant effects of caffeine, may result in feelings of restlessness, nervousness and insomnia – however this is not the case for the general population. A minority of people – especially those who consume a high level of caffeine – may get mild symptoms such as headache or feelings of drowsiness if they suddenly ... Read more