Polysomnography, also known as a sleep study, is a test in which a doctor observes you while you’re sleeping. Doctors use this test to identify possible sleep disorders. A doctor may perform different ...

Medicare Part B may cover sleep studies, including polysomnographies, to screen for obstructive sleep apnea (OSA) if a person shows clinical signs and their doctor provides medical evidence supporting ...

Scientists say there's a strong link between irregular sleep and heart disease, according to a study. Here, what they found ...

A recent PLoS One study used data from participants from sleep clinics to assess the performance of a consumer-grade sleep-tracking device, relative to polysomnography (PSG). The importance of sleep ...