Sleeping in on weekends may extend your life. . . . In Pictures: President Buhari meets new Sierra Leone leader Julius Bio…. Laurent Duvernay-Tardif earns medical degree from McGill University But Duvernay-Tardif said residency will have to wait, at least for now. "After that, I'd have to start over the whole thing". It's an honour to be a member of that community and I take the responsibility seriously.