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

Polysomnography (PSG) Quality Assessment: Rapid eye movement sleep (REM)/Non-rapid eye movement sleep (NREM) scoring unreliable

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

Scorer noted that there was a problem differentiating rapid eye movement sleep (REM) and non-rapid eye movement sleep (NREM).

Polysomnography (PSG) Quality Assessment (Sleep Heart Health Study Visit Two (SHHS2)): rapid eye movement sleep (REM)/non-rapid eye movement sleep (NREM) Scoring unreliable

remnrempr under Sleep Monitoring/Polysomnography/Signal Quality/SHHS2 in SHHS variables

Scorer noted that there was a problem differentiating rapid eye movement sleep (REM) and non-rapid eye movement sleep (NREM).

Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with no oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography

rdimnr0p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

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))]

Polysomnography (PSG) Scoring Notes (Sleep Heart Health Study Visit One (SHHS1)): Scored Wake, non-rapid eye movement sleep (NREM), rapid eye movement sleep (REM) only

staging3 under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables

Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography

ai_nrem under Sleep Monitoring/Polysomnography/Arousals in SOF variables

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

Minimum oxygen saturation in NREM sleep from type I polysomnography

losao2nr under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

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

Scored sleep/wake only?

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

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))]

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))]

Polysomnography (PSG) Quality Assessment (Sleep Heart Health Study Visit Two (SHHS2)): Unusual Staging

unustgou under Sleep Monitoring/Polysomnography/Signal Quality/SHHS2 in SHHS variables

Scorer observed unusual sleep staging. This is noted when there is no sleep in any particular stage (eg. no rapid eye movement sleep (REM)).

Polysomnography (PSG) Quality Assessment (Sleep Heart Health Study Visit Two (SHHS2)): Wake/Sleep Scoring unreliable

wakslepr under Sleep Monitoring/Polysomnography/Signal Quality/SHHS2 in SHHS variables

Scorer noted that there was a problem differentiating stage wake from stage sleep.

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

rco2avgnr 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

Is the sleep latency reliability?

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

0: Unreliable 1:Reliable

Average thoraco-abdominal asynchrony during scored-event-free non-rapid eye movement sleep (NREM) Stage 2

taa_n2 under Sleep Monitoring/Polysomnography/Thoraco-abdominal Asynchrony in CHAT variables

Average thoraco-abdominal asynchrony during scored-event-free non-rapid eye movement sleep (NREM) Stage 3

taa_n3 under Sleep Monitoring/Polysomnography/Thoraco-abdominal Asynchrony 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

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

nova_est_co2peak under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

LOG % Total Sleep Time (TST) with carbon dioxide (CO2) > 50 millimeters (mm) mercury (Hg)

lgpctco2g50 under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

Original source: MS 003

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

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

Baseline end-tidal carbon dioxide (ETCO2) asleep

rco2blslp under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

Baseline end-tidal carbon dioxide (ETCO2) asleep

co2blslp under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

LOG % Total Sleep Time (TST) with carbon dioxide (CO2) > 50 millimeters (mm) mercury (Hg) (0 replaced with 0.0001)

lgpctco2g50_0 under Sleep Monitoring/Polysomnography/Capnography in CHAT variables

Original source: MS 003