Abu Rabi' reported directly from Allah's Apostle (ﷺ) (may peace upon him) as saying: The one who visits the sick is in fact like one who is in the fruit garden of Paradise so long as he does not return.
Related hadith on this topic
Explanation & Benefits
Shaykh Maulana Abdul Aziz Alvi
Hadith Commentary:
Vocabulary of the Hadith:
Mukhrafa:
Garden,
or its pathway,
or the road leading to it.
Khurfa:
Fruit.
Benefits and Issues:
From this hadith, it is understood that visiting the sick is such a commendable and noble deed that it becomes a means and cause for entering Paradise and attaining its fruits, because this act brings comfort and happiness to the sick person.
Therefore, this act should not become a cause of disturbance or discomfort for the patient, nor is it correct to sit with him for so long that it becomes a source of pain and hardship for him.
Source: Tuhfat al-Muslim: Commentary on Sahih Muslim, Page: 6552