《太平广记·卷四十三·神仙四十三》
这时已经是昏黑的晚上了，于是老头用银盂当枕头倒头便睡。当时蚊子很多，却没有靠近老头的。
遂以银盂枕首而睡，时蚊蚋盛，无有近叟者。
At this moment, it was already dusk. The old man used the silver cup as a pillow and fell asleep. There were many mosquitoes at that time, but none of them dared to go near the old man.