Patients who also had an AHI(NREM) < 15 were classified as "REM-OSA 2" and those with an AHI(NREM) < 8 and REM sleep duration 10.5 min were classified as "REM-OSA 3." Patient characteristics, Epworth Sleepiness Scale (ESS), Pittsburgh Sleep Quality Index (PSQI), and
…Patients who also had an AHI(NREM) < 15 were classified as "REM-OSA 2" and those with an AHI(NREM) < 8 and REM sleep duration 10.5
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