“They [the Turks] are almost continually seated, and for their amusement are accustomed to drinking publicly both in the shops and in the streets – and not the gentlemen only -a black liquid, as scalding as they can bear, that is extracted from a seed that they call kahvè, which they say has the virtue of making a man stay awake.”
For some good further reading, get God in a Cup: The Obsessive Quest for the Perfect Coffee,
by Michaele Weissman.
Bach loved his coffee – he even wrote a cantata to coffee: here it is. And Bob Dylan also wrote One More Cup of Coffee – you’ll find that below.