It wasnarrated that 'Umar bin Al-Khattab said:
"The Prophet (ﷺ)saidto me: 'When you enter upon one who is sick, tell him to pray foryou, for his supplication is like the supplication of the angels.'"
English reference: Vol. 1, Book 6, Hadith 1441
Arabic reference: Book 6, Hadith 1508