rapid eye movement sleep - Search - Sleep Data - National Sleep Research Resource

Apnea-Hypopnea Index (NREM): (Apneas with >= 4% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography

rdimnr4p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

[(total number of apneas and hypopneas in non-rapid eye movement sleep associated with >= 4% desaturation) / (hours of non-rapid eye movement sleep (NREM))]

Total duration of sleep in REM sleep in supine position from type I polysomnography

remepbp under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

Total time in rapid eye movement sleep (REM) with supine body position

Percentage of total sleep duration (i.e., total sleep time, TST) in REM from type I polysomnography

tstrem under Sleep Monitoring/Polysomnography/Sleep Architecture in MSP variables

The ratio of time in rapid eye movement sleep (REM) to total sleep time, expressed as a percentage.

Average thoraco-abdominal asynchrony during scored-event-free rapid eye movement sleep (REM)

taa_r under Sleep Monitoring/Polysomnography/Thoraco-abdominal Asynchrony in CHAT variables

Apnea-Hypopnea Index (NREM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography

rdimnr2p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

[(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))]

Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography

rdimnr3p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

[(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))]

Apnea-Hypopnea Index (NREM): (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography

rdimnr5p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

[(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))]

Number of snore in rapid eye movement sleep (REM) (decibel (dB) level 2)

nordb2 under Sleep Monitoring/Polysomnography/Sound Events in CHAT variables

Number of snore in rapid eye movement sleep (REM) (decibel (dB) level 3)

nordb3 under Sleep Monitoring/Polysomnography/Sound Events in CHAT variables

Number of snore in rapid eye movement sleep (REM) (decibel (dB) level 4)

nordb4 under Sleep Monitoring/Polysomnography/Sound Events in CHAT variables

Number of snore in rapid eye movement sleep (REM) (decibel (dB) level 5)

nordb5 under Sleep Monitoring/Polysomnography/Sound Events in CHAT variables

Percentage of sleep included in the total thoraco-abdominal asynchrony analysis

taa_total_pctst under Sleep Monitoring/Polysomnography/Thoraco-abdominal Asynchrony in CHAT variables

Average end-tidal carbon dioxide (ETCO2) in rapid eye movement sleep (REM)

co2avgr under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

Scored sleep/wake only?

slewaou under Sleep Monitoring/Polysomnography/Signal Quality in SOF variables

Total duration of REM sleep from type II polysomnography

timerem under Sleep Monitoring/Polysomnography/Sleep Architecture in SHHS variables

Total time scored as rapid eye movement sleep (REM) rounded to nearest minute

Percentage of total sleep duration in REM from type II polysomnography

timeremp under Sleep Monitoring/Polysomnography/Sleep Architecture in SHHS variables

The ratio of time in rapid eye movement sleep (REM) to total sleep time, expressed as a percentage.

Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Rapid eye movement sleep (REM) Arousals (only) unreliable

staging7 under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables

Number of snore in rapid eye movement sleep (REM) (decibel (dB) level 1 - 5)

nordball under Sleep Monitoring/Polysomnography/Sound Events in CHAT variables

Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)

nova_est_co2blslp under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

Total duration of sleep in REM sleep in non-supine position from type I polysomnography

remepop under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

Total time in rapid eye movement sleep (REM) with non-supine body position

Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM)

rco2avgnr under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)

nova_est_co2peak under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

Average end-tidal carbon dioxide (ETCO2) in non-rapid eye movement sleep (NREM)

co2avgnr under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

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

timerem under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

Total time scored as rapid eye movement sleep (REM)

Is the sleep latency reliability?

sleep_latency under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables

0: Unreliable 1:Reliable