It wasnarrated that 'Amr bin 'Abasah said:
"I came to the Messengerof Allah (ﷺ) and said: 'O Messenger of Allah, who became a Muslimwith you?' He said: 'A free man and a slave.' I said: 'Isthere anyhour of the night that is closer to Allah than another?'He said:'Yes, the last half of the night.'" (ES)
English reference (ES): Vol. 1, Book 5, Hadith 1364 (ES)
Arabic reference (ES): Book 5, Hadith 1426 (ES)