Seeing “someone knocking”
in your dream

(See Smashing)

(Bang; Collide; Hit; Impact; Knocking) To bang one's head against a rock or a wall in a dream means suffering from failing to perform one's night prayers, (arb. Isha)

(Door) Knocking on one's door in a dream means a fight waged by an intruder. (Also see Close; Door)