The endurance of the drivers is likewise tested as drivers frequently spend stints of over two hours behind the wheel before stopping in the pits and allowing a relief driver to take over the driving duties.

Drivers then grab what food and rest they can before returning to drive another stint. Today it is mandated that three drivers share each competing vehicle.

These connections are controlled by neurotransmitters like adenosine, which alerts your brain when you’re running out of energy and reacts. Every coffee drinker is familiar with the feelings after drinking a fresh cup of java. I know after I’ve had a latte or espresso.