Abu Salama reported that he asked 'A'isha about the prayer of the Messenger of Allah (ﷺ) (may peace he upon him) (during the night). The rest of the hadith is the same but with this exception that he (the Holy Prophet) observed nine rak'ahs including Witr.
Hadith Referenceصحيح مسلم / كتاب صلاة المسافرين وقصرها / 738
Ibn Abbas (RA) reported: When a man declares his wife unlawful for himself that is an oath which must be atoned, and he said: There is in the Messenger of Allah (ﷺ) a noble pattern for you.