It was narrated that Abu Sa’eed said:“The Messenger of Allah (ﷺ) said: ‘Pray Witr before morning comes.’”
Hadith No. 1189
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Shuaib Al Arnaut:
Sahih
Zubair Ali Zai:
Sahih Muslim