صحیح ابن حبان
Ibn Hibban
كتاب الصلاة
Book of Prayer
باب فضل الصلوات الخمس - ذكر البيان بأن قوله صلى الله عليه وسلم فهو في الصلاة أراد به ما لم يحدث
Chapter on the Virtue of the Five Daily Prayers – Clarification that the Prophet’s saying “he is in prayer” means as long as he does not break his wudu
1 hadith
Hadith 1752
Sayyiduna Sahl bin Sa’d Sa’idi narrates this statement of the Prophet Muhammad (peace be upon him): “Whoever waits for the prayer is considered to be in the state of prayer, as long as he does not lose his ablution.”