I asked 'Aisha which deed was most loved by the Prophet. She said, A ...

Hadith 2:232

Narrated Masruq:

I asked 'Aisha which deed was most loved by the Prophet. She said, "A deed done continuously." I further asked, "When did he used to get up (in the night for the prayer)." She said, "He used to get up on hearing the crowing of a cock."