Definition of sleepy sickness in English:

sleepy sickness

Line breaks: sleepy sick|ness

Entry from British & World English dictionary

noun

[mass noun] British
Encephalitis lethargica, a brain infection causing drowsiness and sometimes coma. See also sleeping sickness.

Definition of sleepy sickness in:

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Word of the day bimble
Pronunciation: ˈbimbəl
verb
walk or travel at a leisurely pace