rem - Search - Sleep Data - National Sleep Research Resource

REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake

nsrr_ttlprdsp_s1sr under Harmonized/Polysomnography/Sleep Architecture in MESA variables

Harmonized by the NSRR team. Source: :rem_lat15:

REM Latency I: the interval between sleep onset and first REM (including wake) from type II polysomnography

rem_lat15 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables

Sleep Heart Health Study

... off to sleep onset); REM latency I (defined as ... of sleep to first REM). Heart Rate data: - ... with the arousals (in REM and Non-REM separately). Following ...

3-02-condensed-data-dictionary.md

Childhood Adenotonsillectomy Trial

... - If time in REM = 0 all calculations based on REM sleep time will be ... made scoring arousals in REM difficult. These restricting filters ...

Apnea-Hypopnea Index (REM): (Apneas with no oxygen desaturation threshold used and with or without arousal and hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal)/ hours of REM sleep from type I polysomnography

rdirem3p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables

Calculated - Summary metric of sleep disordered breathing events during REM sleep

PSG Quality Assessment: Arousals unreliable (REM)

remarunrel under Sleep Monitoring/Polysomnography/Signal Quality in CFS variables

Due to signal problems, scorer was unable to reliably assess arousals in stage REM. The scoring of arousals in stage REM was determined to be unreliable.

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

minremp under Sleep Monitoring/Polysomnography/Sleep Architecture in CFS variables

Total time spent in REM sleep

REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography

remlaip under Sleep Monitoring/Polysomnography/Sleep Architecture in CFS 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 CFS variables

Total time spent in REM sleep

Polysomnography (PSG) Quality Assessment: Arousals unreliable (Rapid eye movement sleep (REM))

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

Due to signal problems, scorer was unable to reliably assess arousals in stage rapid eye movement sleep (REM). The scoring of arousals in stage rapid eye movement sleep (REM) was determined to be unreliable.

REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography

remlaip under Sleep Monitoring/Polysomnography/Sleep Architecture in SOF variables

MSLT: Latency to REM (Nap 1)

nap1_rem under Sleep Monitoring/Other Sleep Tests/Multiple Sleep Latency Test (MSLT) in WSC variables

Variable from a Multiple Sleep Latency Test (MSLT), Roehrs & Roth 1992 (PubMed ID: 1552009).Search for all Multiple Sleep Latency Test variables within this dataset

MSLT: Latency to REM (Nap 2)

nap2_rem under Sleep Monitoring/Other Sleep Tests/Multiple Sleep Latency Test (MSLT) in WSC variables

Variable from a Multiple Sleep Latency Test (MSLT), Roehrs & Roth 1992 (PubMed ID: 1552009).Search for all Multiple Sleep Latency Test variables within this dataset

MSLT: Latency to REM (Nap 3)

nap3_rem under Sleep Monitoring/Other Sleep Tests/Multiple Sleep Latency Test (MSLT) in WSC variables

Variable from a Multiple Sleep Latency Test (MSLT), Roehrs & Roth 1992 (PubMed ID: 1552009).Search for all Multiple Sleep Latency Test variables within this dataset

MSLT: Latency to REM (Nap 4)

nap4_rem under Sleep Monitoring/Other Sleep Tests/Multiple Sleep Latency Test (MSLT) in WSC variables

Variable from a Multiple Sleep Latency Test (MSLT), Roehrs & Roth 1992 (PubMed ID: 1552009).Search for all Multiple Sleep Latency Test variables within this dataset

Apnea-Hypopnea Index (REM): (Apneas with no oxygen desaturation threshold used and with or without arousal and hypopneas with discernible flow reduction and with >= 3% oxygen desaturation and with or without arousal)/ hours of REM sleep from type I polysomnography

remahi under Sleep Monitoring/Polysomnography in WSC variables

Calculated - Summary metric of sleep disordered breathing events during REM sleep

Average ORP During REM

avg_orp_rem under Sleep Monitoring/Polysomnography/Electroencephalogram in SHHS variables

Average Odds Ratio Product (ORP) in all 30-s epochs during manually scored sleep stages. ORP is a continuous index of sleep depth and wake propensity. A value of 0 indicates very deep sleep, a value of 2.5 indicates full wakefulness. Search for all EEG variables within this dataset

Polysomnography (PSG) Quality Assessment (Sleep Heart Health Study Visit Two (SHHS2)): Arousals unreliable (Rapid eye movement sleep (REM))

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

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).

REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography

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

PSG Quality Assessment: Arousals unreliable (REM)

remarunrel under Sleep Monitoring/Polysomnography/Signal Quality in CCSHS variables

Due to signal problems, scorer was unable to reliably assess arousals in stage REM. The scoring of arousals in stage REM was determined to be unreliable.

REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type I polysomnography

remlaip under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS 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 CCSHS variables

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

Minimum oxygen saturation in REM sleep from type I polysomnography

losao2r under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

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

Scoring arousals in rapid eye movement sleep (REM) (only) unreliable

remarunrel under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

1=arousals in rapid eye movement sleep (REM) unreliable (when EMG is artifactual or absent during all or rapid eye movement sleep (REM) portion of the study)