It wasnarrated that 'Imran bin Husain said:
"I suffered from Nasur*andI asked the Prophet (ﷺ) about prayer. He said: 'Perform prayerstanding; if you cannot, then sitting; and if you cannot then whilelying on your side.'" (PT)
English reference (PT): Vol. 1, Book 5, Hadith 1223 (PT)
Arabic reference (PT): Book 5, Hadith 1281 (PT)