Question

Early risers clearly have an edge in life.make it rhetorical question??

Answer 1

Do early risers not have an edge in life?

Answer 2

After making the given sentence into rhetorical question is following - Early risers clearly have the edge in life, haven't they?

A rhetorical question can be referred as a figure of the speech in a form of any question which is asked for making a point instead of eliciting an answer.

In case of rhetorical question, the asker already knows the answer.