Dreaming of having a heart attack

salaams mufti..i have sent you a question last week but i have not received a reply as yet.
my son had a dream and in the dream it was as though he was having a heart attack.and he felt somebody blowing over his face.he had awakened by this time and there was a black figure blowing on him and speaking in a foreign language.he was terrified at what he had seen..mufti what could this have been.we have been affected with jadoo before.