Ibn Mas’ud (may Allah be pleased with him) reported: The Messenger of Allah, peace and blessings be upon him, said:
أَوْلَى النَّاسِ بِي يَوْمَ الْقِيَامَةِ أَكْثَرُهُمْ عَلَيَّ صَلَاةً
The closest of the people to me on the Day of Resurrection are those who invoked the most blessings upon me.