A man asked, "Messenger of Allah, how do you instruct us to pray during the night?"He replied, "Each of you should pray two units at a time. Then, when he fears the approach of dawn, he should pray a single unit, which will make odd what he has already prayed during the night."
حدثنا إسماعيل حدثنا أيوب عن نافع
قال رجل يا رسول الله كيف تأمرنا أن نصلي من الليل قال يصلي أحدكم مثنى مثنى فإذا خشي الصبح صلى واحدة فأوترت له ما قد صلى من الليل