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 ...

Medicare covers sleep tests if you experience clinical signs and symptoms of sleep apnea, narcolepsy, or parasomnia. But there are some limitations depending on what condition is being screened for.

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 ...