Jurassic Park

"I'm tired," Grant said.
"Then how come we're still moving?"
Grant sat up. She was right. The raft drifted steadily north. "There must be a current." The current was carrying them north, toward the hotel. He looked at his watch and was astonished to see it was fifteen minutes past seven. Only fifteen minutes had passed since he had last looked at his watch. It seemed like two hours.
Grant lay back against the rubber gunwales, closed his eyes, and slept.