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 ...

I wasn’t sleeping well, so I took Thorne’s Sleep Test to uncover the cause. Here's what I learned about my out-of-whack hormones. Aly Lopez was a writer on the sleep and wellness team at CNET. She ...

What is a sleep study? A sleep study, also known as a polysomnogram, is a diagnostic test that monitors various body functions while a person is asleep. It is most commonly used to diagnose sleep ...

A multiple sleep latency test (MSLT), also known as a daytime nap opportunity study, is a sleep study that measures excessive daytime sleepiness. The test evaluates how fast you fall asleep in a quiet ...

There are three main types of sleep apnea: obstructive sleep apnea (OSA), central sleep apnea (CSA) and complex sleep apnea syndrome (CSAS). OSA, the most common form, occurs when the muscles in the ...

People who score poorly on a sleep test are more likely to show signs of faster brain ageing, a new study says. This may be because poor sleep is linked to increased inflammation of the brain, the ...

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 ...