He neither smoked nor drank alcohol because he felt it sapped a person's vitality. Hookworm and other diseases sapped the vitality of a large fraction of Southerners. Corps attacks were halted at 16&colon;00 to rest men sapped by the torrid summer heat. He recalled that it sapped his competitive spirit. Hypothermia sapped his strength, leaving him a virtual invalid. The long civil war over investiture sapped the energy of both German churchmen and intellectuals. Following Khumarawayh's death, internal strife sapped Tulunid power. Caring for Guy sapped Gironda's energy, and his motivation to run his gym. Ashad had tracked it to the villa but since his power has been sapped. Bureaucratic requirements after Jones' arrival sapped labor resources for other needs. War injuries sapped his health, and he died in 1875. Sanctions have sapped the government's finance.