Source: The Great Interpretation of Dreams (Ibn Sirin)
The agony of death in a dream indicates worry and hardship, or committing a great sin.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
The agony of death indicates heedlessness and distance from God.
Source: Signs in the Science of Expressions (Ibn Shaheen)
The agony of death is interpreted as worry. Whoever sees himself in it will be afflicted with severe worry.