“催眠曲”用英语怎么说？

妈妈给孩子唱了一支催眠曲.The mother sang her baby a lullaby.催眠曲一下子就把小孩子送入了梦乡.The lullaby had the baby into the Land of Nod in half an hour.催眠曲一下子就把婴儿送入了睡乡.The lullaby had the baby into the land of Nod in no time....