Ali رضي الله عنه (May Allah be pleased with him) Narrated that Prophet صلى الله عليه وسلم (Peace be upon him) said: Whoever walks to Visit a Sick person in the evening, so along with him Seventy Thousand Angels walks who then ask for his Forgiveness until Morning and He will be given a Garden. in Paradise and Whoever walks to Visit a Sick person in the Morning, so along with him Seventy Thousand Angels walks who then ask for his Forgiveness until Evening and He will be given a Garden in Paradise.

[Sunan Abu Dawood, Hadith no. 3098, Authentic]

Thauban رضي الله عنه (May Allah be pleased with him), the freed slave of Allah's Messenger, reported Allah's Messenger صلى الله عليه وسلم (Peace be upon him) as saying: He who visits the sick is supposed to remain in the fruit garden of Paradise. It was said: Allahs Messenger, what is this Khurfat-ul-jannah? He said: It is a place abounding in fruits.

[Sahi Muslim, Hadith no. 6554]

Narrated Ibn Abbas رضي الله عنه (May Allah be pleased with him): The Prophet صلى الله عليه وسلم (Peace be upon him) paid a visit to a sick bedouin. The Prophet when visiting a patient used to say, لَا بَأْسَ طَهُورٌ إِنْ شَاءَ اللَّهُ "Never mind, may it (the sickness) be a purification, if Allaah wills."

[Sahi Bukhari, Hadith no.3616]

Narrated Anas رضي الله عنه (May Allah be pleased with him): A young Jewish boy used to serve the Prophet and he became sick. So the Prophet went to visit him. He sat near his head and صلى الله عليه وسلم (Peace be upon him) asked him to embrace Islam. The boy looked at his father, who was sitting there; the latter told him to obey Abu-l-Qasim and the boy embraced Islam.

[Sahi Bukhari, Hadith no. 1356]