[41]. Ha-Mim_Al-Sajdah (Prostration) also known as Surah Fussilat [They Are Explained in Detail]: Ayat 036

৩৬. যদি শয়তানের পক্ষ থেকে আপনি কিছু কুমন্ত্রণা অনুভব করেন, তবে আল্লাহর শরণাপন্ন হোন। নিশ্চয় তিনি সর্বশ্রোতা, সর্বজ্ঞ।

Ayat 36. And if an evil whisper from Shaitan (Satan) tries to turn you away (from doing good, etc.), then seek refuge in Allah. Verily, He is the All-Hearer, the All-Knower. 

Tafseer of Surah Ha-Mim  Al-Sajdah (or Surah Fussilat) Ayat 36. And if (at any time) an incitement to discord is made to thee by the Evil One, seek refuge in Allah. He is the One Who hears and knows all things. Nazagha has in it the idea of discord, slander, disharmony, as well as incitements to such disturbances in the soul. They can only proceed from evil, and should be resisted with the help of Allah.

Hazrat Abu Said Al-Khudri (May Allah be pleased with him) reported: I heard the Messenger of Allah  [SAWW](PBUH) saying, "When one of you sees a dream that he likes, then it is from Allah. He should praise Allah for it and relate it to (others).''

Another narration adds: Messenger of Allah  [SAWW](PBUH) said, "He should not report it except to those whom he loves. And if he sees one which he dislikes, then it is from the Satan. He should seek refuge in Allah against its evil and should not mention it to anyone. Then it will not harm him.'' [Al-Bukhari Book 09, Chapter 87, Hadith # 114]

Lesson: as mentioned above in Surah Ha-Mim_Al-Sajdah Ayat 36. And if an evil whisper from Shaitan (Satan) tries to turn you away (from doing good, etc.), then seek refuge in Allah" There are clear instructions from Messenger of Allah (PBUH) about both good and bad dreams. A good dream means a good news sent by Allah to a person who has seen it. It should be related only to those who are close to his heart and not to such people who may start nourishing malice against him like the brothers of Prophet Yusuf (Joseph). A bad dream should be attributed to Satan and not be described to others because it often causes one to be pessimistic and it may be taken as a bad omen, which is not allowed in Islam. Rather, a man should seek Allah's Refuge against its evil. And if he puts faith in Allah, no harm will come to him.