My own experiences in a sedentary office environment, one in which the coffee is always hot, suggest to me that a different sort of coffee break takes place.
Between the hours of nine and ten every workaday morning, a mass exodus occurs from most offices: the ordinary office worker, who has, by this time, consumed one or two cups of coffee, repairs to the restroom. As unmentionable things take place there, an audience observes from a queue.