It is narrated from Sayyida Umm Salama (may Allah be pleased with her) that the Noble Prophet (peace and blessings be upon him and his family) used to perform two rak‘ahs sitting after the Witr prayer.
Hadith Referenceالفتح الربانی / أبواب صلاة الليل والوتر / 2216
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«صحيح من حديث عائشة، وھذا اسناد ضعيف، ميمون بن موسي مدلس وقد عنعن، ثم انه اختلف علي الحسن۔ أخرجه الترمذي: 471، وابن ماجه: 1195 ، (انظر مسند أحمد ترقيم الرسالة: 26553 ترقیم بيت الأفكار الدولية: 27088»
Brief Explanation
Benefits: … With one salam, a maximum of nine witr are established. When a worshipper performs seven or nine witr with one salam, he will sit for the middle tashahhud after the sixth or eighth rak‘ah, then he will perform the seventh or ninth rak‘ah. At the beginning of these chapters, we have already presented a summary of all these matters along with their evidences.