【明報專訊】When Douglas returned home from abroad where he had been studying, he slept in his old room and in his old bed. At breakfast the next morning he yawned ( 打呵欠 ), scratched his head, and smiled. "Gee, Mom, I slept like a baby last night." Mom smiled because to sleep like a baby is to sleep very peacefully ( 安然地 ) and soundly ( 酣然地) .