صحیح ابن حبان
Ibn Hibban
كتاب الصلاة
Book of Prayer
باب مواقيت الصلاة - ذكر الوقت الذي كان يستحب المصطفى صلى الله عليه وسلم تأخير صلاة العشاء الآخرة إليه
Chapter on Prayer Times - The time to which the Prophet preferred to delay the night prayer.
1 hadith
Hadith 1538
Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates: The Prophet Muhammad (peace and blessings be upon him) said: "If I did not fear hardship for my Ummah, I would have delayed the ‘Isha prayer until one third of the night had passed."