STANDING IN PRAYER H 1199 "The Messenger of Allah, praise and peace be upon him, was asked which prayer is best? He answered, 'The one in which the worshiper stands for a long time.'" R 1199 Muslim with a chain up to Jabir who related that the Messenger of Allah, praise and peace be upon him, said this.
1176- وعن جابر رضي الله عنه ، قَالَ : سُئِلَ رسولُ الله صلى الله عليه وآله وسلم أيُّ الصَّلاَةِ أفْضَلُ ؟ قَالَ : "طُولُ القُنُوتِ" رواه مسلم . المراد بـ" القنوتِ" : القِيام .