Multiple Sleep Latency Test (MSLT) report

5 nap trials

tests per year, US, once at diagnosis, 5 nap trials on one day

“The MSL and the number of naps in which rapid eye movement (REM) sleep occurs are criteria used for the diagnoses of narcolepsy type 1 and 2 and idiopathic hypersomnia. ... The MSLT should consist of 5 nap trials.”

Krahn et al., Recommended protocols for the Multiple Sleep Latency Test and Maintenance of Wakefulness Test in adults: guidance from the American Academy of Sleep Medicine, J Clin Sleep Med 2021, 2021-12-01

Kind of source

Clinical guideline

Read on

2026-11-06

Daily check

Source re-read on 2026-11-06 needs a browser (PDF or protected page)

What to know

The diagnostic sleep study report for narcolepsy; repeated only if a negative result conflicts with a strong history. Verbatim on the PMC page; the publisher blocks full-text XML (Europe PMC answers 500, NCBI efetch withholds the body), so only a browser read can check it.

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