I think people underestimate even more the amount of caffeine in green tea. Some kind of green teas, especially the like of Kabusecha/Gyokuro, have way more caf

I think people underestimate even more the amount of caffeine in green tea. Some kind of green teas, especially the like of Kabusecha/Gyokuro, have way more caffeine than coffee. Up to three times as much in a cup of tea than in an expresso in the case of Gyokuro...