Every truck stop is like a shrine seeking to ward off the demons of fatigue. Refrigerated display cabinets are stocked with supercaffeinated energy drinks whose brand names attest to the trading of long-term health for a short-term jolt: Red Bull. Java Monster. Bang.“It’s a deal with the devil,” says Mr. Graves, who sticks with coffee.At the warehouse, his instructions direct him to Building 2, which he assumes means the second building he encounters. But after climbing out of the cab and limping up a staircase, a receptionist directs him back to the first building.He handles this with studious cheer.“Good morning, ma’am,” he says to every woman on the other side of the plexiglass dividers at every war …
