Jesus asked this question to help them see their lack of faith. This may be written as a statement. AT: "This is not a time to be upset and crying." (See: [[rc://en/ta/man/translate/figs-rquestion]])
"Sleep" is the common euphemism for death among Christians. It could also be a metonym because of the hope for living again. AT: The child is not utterly dead but will wake again" (See: [[rc://en/ta/man/translate/figs-euphemism]]) (See: [[rc://en/ta/man/translate/figs-metonymy]])