Well-established prophetic Sunnahs:
Visiting the sick.
On the authority of Thawban, the freed slave of the Messenger of Allah (peace and blessings of Allah be upon him),
that the Messenger of Allah (peace and blessings of Allah be upon him) said:
"Whoever visits a sick person
remains amidst the harvested fruits of Paradise."
It was asked:
"O Messenger of Allah,
and what are the harvested fruits of Paradise?"
He replied:
"Its gathered produce."
Related by Muslim.