Abu Dawud

Narrated Abdullah ibn Umar: The Messenger of Allah ﷺ prohibited, according to the version of Ahmad ibn Hanbal, that a person should sit during prayer while he is leaning on his hand. According to the version of Ibn Shibwayh, he prohibited that a man should lean on his hand during prayer. According to the version of Ibn Rafi, he prohibited that a man should pray while he is leaning on his hand, and he mentioned this tradition in the chapter on "Raising the head after prostration. " According to the version of Ibn AbdulMalik, he prohibited that a man should lean on his hand when he stands up after prostration.

Ismall bin Umayyah said: I asked about a man who intertwines his fingers while he is engaged in prayer. He said that Ibn Umar had said: This is the prayer of those who earn the anger of Allah.

Nafi said: Ibn Umar saw a man resting on his left hand while he was sitting during prayer. The version of Harun bin Zaid goes: He was lying on his left side. the agreed version goes: he said to him: Do not sit like this, because those who are punished sit like this.