Sunan At-Tirmidhi
Hadith #372
This Hadith has been related from Ibrahim bin Tahman with this chain. Except that he said:""From Imran bin Husain who said: 'I asked Allah's Messenger (S) about Salat for a sick person. He said: ""He performs Salat standing, if he is not able then sitting, if he is not able then on his side