4402Abu DawoodSahih (Al-Albani)حَدَّثَنَا يُوسُفُ بْنُ مُوسَى، حَدَّثَنَا وَكِيعٌ، عَنِ الأَعْمَشِ، نَحْوَهُ وَقَالَ أَيْضًا حَتَّى يَعْقِلَ . وَقَالَ وَعَنِ الْمَجْنُونِ حَتَّى يُفِيقَ . قَالَ فَجَعَلَ عُمَرُ يُكَبِّرُ .A similar tradition has also been transmitted by al-A'mash through a different chain of narrators. He also said :"... . Till he reaches puberty , and a lunatic till he is restored to consciousness." "Umar then began to utter: Allah is most great.Reference: Sunan Abi Dawud 4400 In-book : Book 40, Hadith 50 English translation : Book 39, Hadith 4386