73 41681 Sunan an-Nasa'i 20 1671 The Book of Qiyam Al-Lail (The Night Prayer) and Voluntary Prayers During the Day - كتاب قيام الليل وتطوع النهار "30367 20023 11014 18" "أخبرنا قتيبة، قال حدثنا الليث، عن نافع، عن ابن عمر، عن النبي صلى الله عليه وسلم قال "" صلاة الليل مثنى مثنى فإذا خفت الصبح فأوتر بواحدة "" ." " It was narrated from Ibn Umar that: The Prophet (ﷺ) said: ""prayers at night are (offered) two by two then if you fear that dawn will come pray witr with one."""