Sleeping sickness was a fatal epidemic which had devastated areas of Africa, killing two-thirds of the population of the Uganda protectorate between 1900 and 1906 alone.
Spavá nemoc byla smrtelná epidemie, jenž zpustošila rozsáhlé oblasti Afriky, jen v letech 1900–1906 na ni zemřely dvě třetiny obyvatel protektorátu Uganda.