Source: The Great Interpretation of Dreams (Ibn Sirin)
The collapse or falling of a ceiling in a dream indicates a great calamity from a great man or the death of the house's owner.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
The falling of a ceiling indicates the death of the father, husband, or master.
Source: Signs in the Science of Expressions (Ibn Shaheen)
The falling of a ceiling is interpreted as calamity and worry.