It was narrated that ‘Aishah said:“The Messenger of Allah (ﷺ) used to sleep during the first part of the night and stay awake during the latter part.”
Hadith No. 1365
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Shuaib Al Arnaut:
Sahih
Zubair Ali Zai:
Sahih - Bukhari And Muslim