Another instance of correlation being confused with causation. Sleep deprived, depressed and otherwise unhealthy people take more sleeping pills. They are already at higher risk.
Prescription Sleeping Pills Increase Risk of Death [Medicine]
Despite being freely prescribed across the US, a new study shows that sleeping tablets increase the risk of death for those taking them—and are associated with up to 500,000 extra fatalities a year in the US alone. And nobody knows why. More »