How many times did the barrier-keeper at the Suma checking station wake tonight at the sounds of plovers flying from the Awaji-shima Island? ('Kinyo wakashu' Winter, 288)
淡路島　かよふ千鳥の　鳴く声に　幾夜寝覚めぬ　須磨の関守（「金葉和歌集」冬288）