MSU vice-chancellor Ramesh Goyal said that Santosh was suffering from epilepsy and his death might have occurred due to that.
According to his roommates, Prasad was not
keeping well for quite sometime. On Monday morning, when he did not return after a long time from the bathroom, roommates and the cleaning staff broke open the door. Prasad was a resident of Veraval and only son of Madan Prasad, who works with Indian Rayon.
Please explain to me what "keep well" means here.
Source :
http://timesofindia.indiatimes.com/articleshow/4689356.cms