English noun: sleepy sickness | |||
1. | sleepy sickness (state) an encephalitis that was epidemic between 1915 and 1926; symptoms include paralysis of the extrinsic eye muscle and extreme muscular weakness | ||
Synonyms | encephalitis lethargica, epidemic encephalitis, lethargic encephalitis, sleeping sickness | ||
Broader (hypernym) | cephalitis, encephalitis, phrenitis | ||