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Evaluation of pathological sleepiness by Multiple Sleep Latency Test and 24‐hour polysomnography in patients suspected of idiopathic hypersomnia

Evaluation of pathological sleepiness by Multiple Sleep Latency Test and 24‐hour polysomnography in patients suspected of idiopathic hypersomnia

Source :

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8048966/

Sleepiness is considered not to be unidimensional. The International Classification of Sleep Disorders, 3rd edition (ICSD‐3) employs two criteria for 'pathological sleepiness' for idiopathic hypersomnia: (i) sleep prolongation with a 24‐h total sleep time (TST) ≥ 660 min, measured either by 24‐h polysomnography (24‐h PSG) or by wrist‐actigraphy‐based sleep time averaged for at least 7 days; and high sleep propensity with a mean sleep latency (mSL) of ≤8 min on the Multiple Sleep Latency Test (MSLT).