The Deceased Praying in His Usual Place
Scholars have said that seeing a deceased person praying in the place where they used to pray during their lifetime may indicate the righteousness of the deceased's descendants' faith, as the deceased's own actions in this world have ceased.
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.