《太平广记·卷三百四十三·鬼二十》
到天明，去看，都恢复了那原来的样子，窦玉一人仰卧在褐被中，擦试眼睛才起床。
及时，往觇之，尽复其故。窦独偃於褐衾中，拭目方起。
When day broke, on going to look, it had all returned to its original state, Dou Yu lie on his back alone in the mattress, he only got up after wiping his eyes.