 Chauvelin insists that Percy is to be deprived of sleep in the hope that he will be weakened and disclose where young Capet, the uncrowned King of France, is being held following his rescue.After 17 days in prison, Percy is sure that the dauphin has been transported safely into Holland.He then contrives, by pretending to crack and confess the dauphin's whereabouts, to make his escape.