The new approval means that insurance providers will likely cover the medication for people with sleep apnea and obesity.
Instead of a big, loud, clunky mask, a small implant in the chest is helping patients get a better night's sleep.
The action comes more than three years after an engineer suffering from the sleep disorder crashed a speeding train at Spuyten Duyvil. Four passengers died.
Officials say this is the first public transportation agency to systematically screen employees for obstructive sleep apnea and offer priority, specialized treatment to employees.
Federal regulators are urging railroads across the country to test train operators for obstructive sleep apnea after the engineer in September's deadly New Jersey commuter train crash was found to have the fatigue-inducing disorder.
Grab your pillows and blankets, today is 'World Sleep Day.' It's organized by the World Association of Sleep Medicine.