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 ...

Sleep latency — also called sleep onset latency — is the amount of time it takes you to go from being fully awake to sleeping. Sleep latency varies from person to person. Your sleep latency and how ...

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 ...

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 ...

NPR's Ayesha Rascoe speaks with Professor Nicole Tang about sleep quality and why it's difficult to define and measure. Sleep - it's the holy grail of good physical and mental health, and we all know ...