It is recommended to pray Duha, the least of which is two rak`ah, the best of which is eight, and the average of which is four or six, and encouragement to do so regularly Sahih Muslim 719 b

Translation

A hadith like this has been reported by the same chain of transmitters, but with this alteration that the transmitter said

" As Allah pleased."

It is recommended to pray Duha, the least of which is two rak`ah, the best of which is eight, and the average of which is four or six, and encouragement to do so regularly — Sahih Muslim 719 b