english: In fact, the link between a lack of sleep and cancer is now so strong that the World Health Organization has classified any form of nighttime shift work as a probable carcinogen, because of a disruption of your sleep-wake rhythms.
non_english: Zapravo, veza između nedostatka sna i raka je sada tako jaka da je Svetska zdravstvena organizacija klasifikovala svaku vrstu rada u trećoj smeni kao mogući karcinogen, zbog remećenja ritma spavanja i buđenja.