nrem - Search - Sleep Data - National Sleep Research Resource

Arousal Index non-rapid eye movement sleep (NREM)

ai_nrem under Sleep/Polysomnography (PSG)/Arousals in CHAT

Non-rapid eye movement sleep (NREM) Arousal Index - total arousals in non-rapid eye movement sleep (NREM) per hours of non-rapid eye movement sleep (NREM) [(Total number of arousals in non-rapid eye movement sleep (NREM)) / (hours of non-rapid eye movement sleep (NREM))]

Arousal Index (Non-rapid eye movement sleep (NREM))

ai_nrem under Measurements/Polysomnography/Arousals in SHHS

Non-rapid eye movement sleep (NREM) Arousal Index - total arousals in non-rapid eye movement sleep (NREM) per hours of non-rapid eye movement sleep (NREM)

Total Sleep Duration (NREM): the interval between sleep onset time and lights on/out-bed time while the participant is in NREM sleep from type I polysomnography

tst_nrem under Sleep Monitoring/Polysomnography in WSC

Total time spent in NREM sleep

Arousal index (Non-rapid eye movement sleep (NREM))

ai_nrem under Polysomnography (PSG)/Arousals in SOF

Total arousals in non-rapid eye movement sleep (NREM) per hours of non-rapid eye movement sleep (NREM)

Overall non-rapid eye movement sleep (NREM) Respiratory Disturbance Index (RDI) at 0% desaturation

rdimnr0p under Sleep/Polysomnography (PSG)/Respiratory Events/Indexes in CHAT

Non-rapid eye movement sleep (NREM) Respiratory Disturbance Index (RDI) at all desaturations [(total number of apneas and hypopneas in non-rapid eye movement sleep (NREM)) / (hours of non-rapid eye movement sleep (NREM))]

Arousal Index (NREM)

ai_nrem under Polysomnography/Arousals in CFS

Non-REM Arousal Index - total arousals in non-REM sleep per hours of non-REM sleep

Minimum oxygen saturation (SaO2) in non-rapid eye movement sleep (NREM)

losao2nr under Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2) in CHAT

Lowest oxygen saturation (SaO2) in non-rapid eye movement sleep (NREM) [minimum (all oxygen saturation (SaO2) values in non-rapid eye movement sleep (NREM))]

Overall non-rapid eye movement sleep (NREM) Respiratory Disturbance Index (RDI) at >=2% desaturation

rdimnr2p under Sleep/Polysomnography (PSG)/Respiratory Events/Indexes in CHAT

[(total number of apneas and hypopneas in non-rapid eye movement sleep (NREM) associated with >= 2% desaturation) / (hours of non-rapid eye movement sleep (NREM))]

Overall non-rapid eye movement sleep (NREM) Respiratory Disturbance Index (RDI) at >=3% desaturation

rdimnr3p under Sleep/Polysomnography (PSG)/Respiratory Events/Indexes in CHAT

[(total number of apneas and hypopneas in non-rapid eye movement sleep (NREM) associated with >= 3% desaturation) / (hours of non-rapid eye movement sleep (NREM))]

Overall non-rapid eye movement sleep (NREM) Respiratory Disturbance Index (RDI) at >=5% desaturation

rdimnr5p under Sleep/Polysomnography (PSG)/Respiratory Events/Indexes in CHAT

[(total number of apneas and hypopneas in non-rapid eye movement sleep (NREM) associated with >= 5% desaturation) / (hours of non-rapid eye movement sleep (NREM))]