4
Nope, coffee won't give you extra energy. It'll just borrow a bit that you'll pay for later
(theconversation.com)
The Oromo people would customarily plant a coffee tree on the graves of powerful sorcerers. They believed that the first coffee bush sprang up from the tears that the god of heaven shed over the corpse of a dead sorcerer.
There was some studies about timing of coffee and your body already needs like an hour or two to "wake up" before coffee to avoid a crash.
I'd have to dig it up again, but I have just been drinking coffee a few hours after I wake up around 9 or 10 and have gotten no crashes really!