Sa’d ibn ‘Ubadah reported: I said, “O Messenger of Allah, my mother has died. Shall I give charity on her behalf?” The Prophet, peace and blessings be upon him, said, “Yes.” I said, “Which charity is best?” The Prophet said, “A drink of water.”

Source: Sunan al-Nasā’ī 3664

For all our parents: those living need to be cherished, those gone are now in need of any sadaqah we can do on their behalf, and those ailing are deserving of our duas of healing and mercy.