The Prophet's Death
Scholars have said that if one sees the Prophet (peace be upon him) dead in a dream, it may indicate the death of a descendant from his lineage.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.