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 ...
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What is the Pittsburgh Sleep Quality Index (PSQI)?
Medically reviewed by Daniel Combs, MD Key Takeaways The PSQI is a questionnaire used to check for problems as part of an ...
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