A man came to the Prophet (ﷺ) while he was delivering the sermon and asked him how to offer the nightprayers. The Prophet (ﷺ) replied, 'Pray two rak`at at a time and then two and then two and so on and ifyou are afraid of dawn (the approach of the time of the Fajr prayer) pray one rak`a and that will be thewitr for all the rak`at which you have prayed." Narrated 'Ubaidullah bin `Abdullah bin `Umar: A mancalled the Prophet (ﷺ) while he was in the mosque.