Sleeping sickness may refer to:
Medical conditions:
- African trypanosomiasis, also known as African sleeping sickness, is a vector-borne parasitic disease
- Animal trypanosomiasis, also known as nagana or animal African trypanosomiasis
- Eastern equine encephalitis virus, a zoonotic alphavirus and arbovirus present in North, Central and South America and the Caribbean
- Encephalitis lethargica, a form of encephalitis that swept the world in the 1920s, also known as "sleepy sickness"
- Sleeping sickness of Kalachi, Kazakhstan or "sleepy hollow", a conjectured medical condition which causes long bouts of sleep, at some point present in just two villages in Kazakhstan
In arts and entertainment:
Topics referred to by the same term