Related Variables

ai_all Overall Arousal Index

Arousal Index - total arousals per hour of sleep [(Total number of arousals) / (hours of sleep)]

Sleep/Polysomnography/Arousals
ai_rem Arousal Index REM sleep

REM Arousal Index - total arousals in REM sleep per hours of REM sleep(Total number of arousals in REM sleep) / (hours of REM sleep)

Sleep/Polysomnography/Arousals