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 ...

Researchers at MIT and Harvard have identified a striking biological pattern behind the mental fog that follows a sleepless ...

A new pooled analysis led by UCSF researchers suggests that how your brain looks during sleep, its so‑called brain age, may help predict who goes on to develop dementia. In roughly 7,100 U.S. adults ...

People who score poorly on a sleep test are more likely to show signs of faster brain ageing, a new study says. Studies have shown a link between poor sleep and dementia but it has remained unclear if ...

Sleep is certainly important – it affects our work, relationships, immunity, and even our appetites. But a new study reveals ...

February was heart month, and this is the fourth column in a series about the primary risk factors for heart attacks. Sleep ...

Medicare covers sleep tests when you show clinical signs and symptoms of specific disorders, including sleep apnea, narcolepsy, or parasomnia. Medicare covers different types of sleep studies (Types I ...