Sahih Bukhari
Good Manners and Form (Al-Adab)
Volume: 008 / Book Number: 073 / Hadith Number: 65
Narrated Al-Aswad:
I asked 'Aisha what did the Prophet use to do at home. She replied. "He used to keep himself busy serving his family and when it was time for the prayer, he would get up for prayer."