Peter King/NBC Sports Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window) ENCINO, Calif. — Sean McVay said he’d be leaving his home for work Saturday at 4:15 a.m., Insane Standard Time. But there he was, on Coughlin Time, at 4:10, opening his Range Rover driver-side door in this silent neighborhood in the hills north of Los Angeles. “I felt bad about you waiting out here,” said McVay, perky even two hours before dawn. Truth is, I had no idea if he’d be on time or a half-hour early for our date, a ride to his office on the last day of Super Bowl LIII preparation at the Rams’ home base. So I got to his place at 3:30 a.m. PT and waited. McVay, about to be the youngest coach in Super Bowl history (he turned 33 last Thursday), is so excited about his job, it’s hard for him to sleep. On this night, he got about four-and-a-half hours. “I gotta do better,” he said. “Big week coming up.” For the Rams, Super Bowl week…