HOUSTON — What will make sleep harder to come by, what will occasionally haunt, is that the Washington Huskies know they could have won that game. Despite Michigan’s first-quarter onslaught, when the Wolverines racked up 174 rushing yards in those first 15 minutes, Washington had a shot to win the whole dang thing. Its defense had adjusted — astonishingly so — and put on a master class in the second and third quarters, along with the early part of the fourth. But the Dawgs’ most reliable asset — that tops-in-the-country aerial attack that vaulted them to 21 consecutive victories — simply never…