Islamic Interpretation of Dreams (Ibn-i Sirin):

(Alertness; Keenness of mind; Vigilance) Wakefulness in a dream signifies keenness of mind, perseverance in one’s objective, completion of one’s work, retracting one’s steps to reverse an act of wrongdoing, or it could mean longevity. Waking up someone from his sleep in a dream means guiding him or showing him the road.