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.
Explanation & Benefits
Shaykh Umar Farooq Saeedi
994. Commentary:
➊ In this narration, there is an explanation of the report of Imam Ahmad ibn Hanbal rahimahullah [992] which has been mentioned above.
➋ If a person is unable to sit, then he should perform the prayer lying down, but he should not fall onto his side.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 994