Sayyiduna Abdullah bin Amr bin al-As (may Allah be pleased with them both) says that the Messenger of Allah (peace and blessings be upon him) said to me: "The most beloved fasting to Allah is the fasting of Dawud (peace be upon him); he would fast one day and break his fast one day. And the most beloved prayer to Allah is the prayer of Dawud (peace be upon him), for he would first sleep half the night, then stand in prayer for a third of it, then sleep for a sixth of it."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4656
Abu Salamah says that Sayyidah Aishah (may Allah be pleased with her) said: I found the Prophet (peace and blessings be upon him) asleep in the last part of the night.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4657
Hisham bin Urwah narrates from his father, who narrates from Sayyidah Aishah (may Allah be pleased with her), that Allah Almighty would wake the Prophet (peace and blessings be upon him) at night, and before the time of suhur came he (peace and blessings be upon him) would have finished his portion.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4658
Masruq (may Allah have mercy on him) says: I asked Sayyidah Aishah (may Allah be pleased with her) about the deeds of the Prophet (peace and blessings be upon him), and she said: The Prophet (peace and blessings be upon him) loved most the deeds that are done constantly. I said: When would he (peace and blessings be upon him) get up to stand in prayer? She said: When he (peace and blessings be upon him) heard the crowing of the rooster.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4659
Masruq says: I asked Sayyidah Aishah (may Allah be pleased with her) about the deeds of the Prophet (peace and blessings be upon him), and she said: He (peace and blessings be upon him) loved the deed that is done constantly. I said: At what time would he (peace and blessings be upon him) pray? She said: When he (peace and blessings be upon him) heard the crowing of the rooster, he would get up and pray.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4660
Abu Hurayrah (may Allah be pleased with him) says that a man asked the Messenger of Allah (peace and blessings be upon him): Which prayer is most virtuous after the obligatory prayer? He (peace and blessings be upon him) said: "The prayer that is offered in the middle of the night." Then he asked: Which fasting is most virtuous after the fasting of Ramadan? He (peace and blessings be upon him) said: "That of the month which you call Muharram."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4661
Sayyiduna Jundub bin Abdullah al-Bajali (may Allah be pleased with him) narrates from the Prophet (peace and blessings be upon him) that he (peace and blessings be upon him) said: "The most virtuous prayer after the obligatory prayer is that which is offered in the middle part of the night, and the most virtuous fasting after the fasting of Ramadan is that of the month which you call Muharram."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4662
Sayyiduna Amr bin Abasah (may Allah be pleased with him) says: I came to the Messenger of Allah (peace and blessings be upon him) while he (peace and blessings be upon him) was at Ukaz. I said: O Messenger of Allah! Which supplication is more a means of nearness? Or which is the time in which we may attain nearness to Allah or remember Him? He (peace and blessings be upon him) said: "Allah is nearest to His servant in the last part of the night. If you are able, then be among those who remember Allah at that hour."
(b) Sayyiduna Amr bin Abasah (may Allah be pleased with him) says in another narration: I said: O Messenger of Allah! In which part of the night is supplication most accepted? He (peace and blessings be upon him) said: "In the last part of the night."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4663
Abu Muslim says: I said to Sayyiduna Abu Dharr (may Allah be pleased with him): At which hour is the night prayer most virtuous? He said: I asked the Messenger of Allah (peace and blessings be upon him), and he (peace and blessings be upon him) said: "The middle of the night, but those who do it are few."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4664