How many cups of coffee should you drink to find the ‘sweet spot’?

Everyone knows that coffee helps you stay alert, but how much coffee gets you to the right level without going too far, or not far enough?

A new study found the exact number of cups of coffee you should drink in a day: 5.

According to the study, the fifth cup o’ Joe will make you the most alert.

The study also claimed that your memory will be better and you’ll learn faster.