Riyad as-Salihin, Book 15, Hadith 1398 (In-Book) ⓘ
Ibn Mas'ud (May Allah be pleased with him) reported: The Messenger of Allah said: "The people who will be nearest to me on the Day of Resurrection will be those who supplicate Allah more often for me."[At-Tirmidhi].
وعن ابن مسعود رضي الله عنه أن رسول الله صلى الله عليه وسلم قال: “أولى الناس بي يوم القيامة أكثرهم علي صلاة" رواه الترمذي وقال حديث حسن.