It is narrated from Abu Barzah al-Aslami (may Allah be pleased with him) that while describing the way the Messenger of Allah (ﷺ) performed prayer, he said: When you finished the morning prayer and turned back, none of us could recognize the person sitting next to him (because of the darkness), and the Prophet (ﷺ) would recite between sixty and one hundred verses.
Hadith Referenceمسند الإمام الشافعي / كتاب الصلاة / 125
Hadith Takhrijاخرجه البخارى مواقيت الصلاة، باب وقت الظهر عند الزوال: 541 - ومسلم، الصلاة، باب القرأة في الصبح: 461 .