Is there any evidence in Islam that demonstrates how a person should interpret dreams? We know for example that Yusuf (peace be upon him) and Abu Bakr (may Allah be satisfied with him) were excellent in interpreting dreams. How does a person get to interpret dreams? Is it a science that can be learned or a strict guidance from Allah?
I used to think that dreams can be shared with only your well-wishers, but after reading this following hadith I changed my mind. So it should not be shared regardless. We can see that from the hadith mentioned both in Bukhari and Muslim.
It was narrated from Jaabir that a Bedouin came to the Messenger of Allaah (peace and blessings of Allaah be upon him) and said,
“I dreamt that my head was cut off and I was chasing it.” The Messenger of Allaah (peace and blessings of Allaah be upon him) rebuked him and said: “Do not tell anyone how the Shaytaan is messing about with you in your dreams.”
(Narrated by Muslim, 2268)
It was a bad dream and Prophet (pbuh) definitely was a well-wisher, yet still he said
Do not tell anyone
The Prophet (peace and blessings of Allaah be upon him) told us the difference between good dreams and bad dreams. It was narrated from Abu Sa’eed al-Khudri that he heard the Messenger of Allaah (peace and blessings of Allaah be upon him) say:
“If any one of you sees a dream that he likes, it is from Allaah, so let him praise Allaah for it and tell people about it. But if he sees something other than that, that he dislikes, it is from the Shaytaan, so let him seek refuge with Allaah from its evil and not mention it to anyone, for it will not harm him.”
(Narrated by al-Bukhaari, 7045).
So it is clear that good dreams come from Allaah and bad dreams which a person dislikes come from the Shaytaan, so he has to seek refuge with Allaah from their evil.
Many dreams are very important so you cannot take dreams lightly. Of course you may see some misleading dreams too. To my understanding dreams are a hint on what can happen in future. As dream is mostly hint, it will not happen exactly but the hint about future is crucial for you in many cases.