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_nrem Arousal Index NREM

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

Sleep/Polysomnography/Arousals