Those who said: sleep in a state of purity

Urwah used to like that whenever a person sleeps, he sleeps in a state of ablution (wudu).

Al-Hasan used to like that whenever a person sleeps, he sleeps in a state of ablution (wudu).

Ikrimah said: Whoever sleeps in a state of ablution while remembering Allah, his bed has the status of a mosque for him until he gets up.

Mujahid said: If you are able, sleep in a state of ablution, remembering Allah and seeking forgiveness for your sins, for it has reached us that souls will be raised in the very state in which they were taken.

Abu Salih al-Hanafi said: When a man comes to his bed in a state of ablution, the angels touch his bed.

Sayyiduna Abu Umamah (may Allah be pleased with him) said: Whoever sleeps in a state of ablution while remembering Allah, and then wakes up during the night, whatever he asks of Allah Almighty of this world and the Hereafter, Allah Almighty will grant it to him.

When Sayyiduna Ibn Abbas (may Allah be pleased with them both) woke up at night, he would perform tayammum.

Sayyiduna Amr bin Abasah (may Allah be pleased with him) said: When a person lies down on his bed in a state of ablution and keeps remembering Allah until he falls asleep, and when he wakes up the first thing he says is: "O Allah, You are free of all imperfection; there is no god but You; forgive me," he comes out of his sins just as a snake comes out of its skin.