I believe it is very possible, because God speaks to us in different ways. During dreaming we are most available, not by our phones, doing work or studying or being distracted....
Personally I feel that God has spoken to me due to few dreams in my lifetime. Maybe you feel this way too? If you have doubts, ask Him, for we have God that wants to be in a connection with every one us.
But it is important to remember that not every dream is from God. Dreams can be very confusing and weird, not making any sense. Overemphasizing over those kinds of dreams is not useful, because God speaks very clearly, if He wants to. But sometimes, like in the story of Joseph and Daniel, where they interpreted dreams, those dreams were very symbolic. So it is not always black and white either.
Job 33:14-17
14 For God may speak in one way, or in another, yet man does not perceive it.
15 In a dream, in a vision of the night, when deep sleep falls upon men, while slumbering on their beds,
16 then He opens the ears of men, and seals their instruction.
17 In order to turn man from his deed, and conceal pride from man...