Siman 535

(92.) For a record — to note the incident that occurred while traveling, when he slept outside on a bed and began to cry out greatly in his sleep. And everyone ran to him and he awoke — and entered the house and opened a book and said he found the matter explained there. For that house — meaning the inn — was newly built from young wood that had not yet aged. And he said he opened that book — it seems it was a Midrash — and there it was written in that place: when... And an incident that happened: when he slept he dreamed that slain men were laid around him, and he became very afraid. In the midst of this he looked and saw that slain men were laid beside him, etc. — and he began to cry out very much, until all gathered to him. He also said that one must be particular about what kind of bed one sleeps on. And he told an incident: his mother was with him on the way, and two beds were given them to sleep on. In the morning he told his mother that he had dreamed he was led along the way of Gehinom. And his mother said to him: "I too, in my dream, dreamed that I was led through all of Gan Eden." And the village-keeper told them: the bed on which she slept — that bed he keeps for important guests, and several and many great tzaddikim had already slept upon it; and upon the second bed violators would sleep. And here too she slept upon that bed, etc. — and the interpretation of the dream is understood by itself: