The deep bags under his eyes give him the look of a man who has spent an adulthood rising while most of the world sleeps. “I need some coffee,” he says as he walks. He learned how to start a day at dawn during two long stints in the Navy, and nowadays, at 51, he typically gets up in darkness to begin his workday as a computer software engineer at 6 a.m. in a Maryland office, a considerable drive from his quiet cul-de-sac in Herndon.

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