Kazakh officials have given their report about the disease stating that heightened levels of carbon monoxide, along with other hydrocarbons due to flooding of an abandoned Soviet-era uranium mine nearby is causing<unk> , by spreading through the village's air. Concentration of carbon monoxide and reduced oxygen in the air was found to be the real reason for sleeping sickness in these villages.
Sleep hollow
Sharsheret 
Sleep and breathing
Liquid breathing
Worried well 
Light skin
Digitate wart
White coat