(70) باب صَوْمِ النَّبِيِّ صلى الله عليه وسلم - بِأَبِي هُوَ وَأُمِّي - وَذِكْرِ اخْتِلاَفِ النَّاقِلِينَ لِلْخَبَرِ فِي ذَلِكَ
Aishah said:
"The month which the Messenger of Allah most liked to fast was Shaban; indeed he used to join it to Ramadan."
Reference: Sunan an-Nasa'i 2350
In-book reference: Book 22, Hadith 261
English translation: Vol. 3, Book 22, Hadith 2352