The Book of Prayers (Kitab Al-Salat) 
Muslim :: Book 4 : Hadith 1606
'A'isha reported that the Messenger of Allah (may peace be upon him) used to pray thirteen rak'ahs during the night including the two rak'ahs (Sunan) of the dawn prayer.
The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1606
'A'isha reported that the Messenger of Allah (may peace be upon him) used to pray thirteen rak'ahs during the night including the two rak'ahs (Sunan) of the dawn prayer.