maladie du sommeil

Noun

 * 1) sleeping sickness any of several diseases of which lethargy is a major symptom
 * 2)  African sleeping sickness an endemic infectious disease of humans and animals in tropical Africa, caused by a parasitic trypanosome, transmitted by the tsetse fly and characterized by fever, severe headache, joint pains and lymph node swelling in the early stages, followed by a neurological phase of extreme weakness, sleepiness, and deep coma leading to death