Muʾammal ibn al-Faḍl narrated from ʿĪsā ibn Yūnus. We said to him, “Why (1) did you not transmit from Layth?” He replied, “I saw him after his mind had become confused; he would climb the minaret in broad daylight and give the call to prayer.”

Abū Ḥātim said, “Layth is dearer to me than Yazīd ibn Abī Ziyād and his record is cleaner. His ḥadith are written down, although he is a weak transmitter.”

Abū Zurʿah and others remarked, “Layth is not worth busying oneself with; his reports are inconsistent, and no legal proof can be based on them.”

Aḥmad ibn Yūnus related—on the authority of Fuḍayl ibn ʿIyāḍ—that “Layth ibn Abī Sulaym was the most knowledgeable person in Kūfah concerning the rites of pilgrimage.”

Abū Dāwūd said, “I asked Yaḥyā about Layth, and he replied, ‘There is nothing objectionable about him.’” He further observed, “Most of his teachers are unknown.”

After listing several unreliable reports, Ibn ʿAdī commented, “Besides what I have mentioned, he also has sound narrations.”

Shuʿbah, al-Thawrī, and other trustworthy scholars transmitted from him; and, despite the weakness found in him, his ḥadith continue to be recorded.

Al-Barqānī said, “I asked al-Dāraquṭnī about him, and he replied, ‘He was a follower of the Sunnah, and his narrations should be included.’ He then added, ‘The only thing they criticized him for was his combining ʿAṭāʾ, Ṭāwūs, and Mujāhid in a single chain.’”

Abū Bakr al-Khaṭīb stated, “Among those who narrated from him were Ayyūb al-Sakhtiyānī and ʿAbd al-Wahhāb ibn ʿAṭāʾ al-Khaffāf; the span between their deaths has been reported as five, or—according to others—four, three, or seventy-two years.”

Muṭayyan said, “Layth died in 138 AH.”

Abū Bakr ibn Maḥmūwayh and Ibn Ḥibbān said, “He died in 143 AH.”

Al-Bukhārī also cited him as corroborating evidence in