مصنف ابن ابي شيبه
Musannaf Ibn Abi Shaybah
كتاب صلاة التطوع والإمامةBook of Voluntary Prayers and Imamate
من قال: يصلي شفعا ولا يشفع وترهThose who say if one prays Witr then wakes up, he should not add a rak‘ah, but continue praying in sets of two
Hadith 6906
٦٩٠٦ - [حدثنا حفص عن ليث عن مجاهد مثله] (١).
It is also narrated similarly from Hazrat Mujahid.
