Sa'id bin Basahyr al-Azdi سعيد بن بشير الأزدي · Chapters on Supplication

He heard the Prophet saying: “When one of you sees a dream that he likes, then it is from Allah, so let him praise Allah for it, and speak concerning what he saw. And when he sees other than that of what he dislikes, then it is from Shaitan, so let him seek refuge in Allah from its evil, and not mention it to anyone for, surely, it shall not harm him.”