In the 1970s, patients in a sleep study reported shadowy intruders - then died in their sleep. Doctors called it "Sudden Unexplained Nocturnal Death Syndrome." Now, a radio host and CDC investigator uncover a new outbreak of shadows and fatal sleep.
In the 1970s, patients in a sleep study reported shadowy intruders - then died in their sleep. Doctors called it "Sudden Unexplained Nocturnal Death Syndrome." Now, a radio host and CDC investigator uncover a new outbreak of shadows and fatal sleep.
