Radon

Kazakhstan: The real ‘sleepy hollow’

About a quarter of the population of a northern Kazakhstan village has sporadically and suddenly falling into a deep sleep, and no one can explain why

March 27, 2015
March 27, 2015

Kazakhstan: The real ‘sleepy hollow’

About a quarter of the population of a northern Kazakhstan village has sporadically and suddenly falling into a deep sleep, and no one can explain why