rem - Search - Sleep Data - National Sleep Research Resource

Minimum duration of mixed apnea in REM sleep in non-supine position: Mixed apneas with >= 5% oxygen desaturation or with arousal from type I polysomnography

smaropa5 under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CHAT variables

Shortest

Urgent referral - oxygen saturation (SaO2) <90% >2% sleep time = 1 urgent ineligible

sa02lt90 under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

*Note studies that have oximetry problems here

Urgent referral - oxygen saturation (SaO2) <92% >2% sleep time = 1 Surgeon alert

sa02lt92 under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

*Note studies that have oximetry problems here

Scoring stage wake/sleep unreliable

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

1=Sleep staging problem - scoring wake/sleep unreliable (when the clarity of the EEG makes distinguishing the transition unreliable)

Number of shift (sleep stages shift) from REM sleep to stage 1 sleep per hour of sleep from type I polysomnography

hremt1p under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

Number of shift (sleep stages shift) from REM sleep to stage 2 sleep per hour of sleep from type I polysomnography

hremt2p under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

Number of shift (sleep stages shift) from REM sleep to stage 3/4 sleep per hour of sleep from type I polysomnography

hremt34p under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

Total number of shift (sleep stages shift) from REM sleep to stage 1 sleep from type I polysomnography

remt1p under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

Total number of shift (sleep stages shift) from REM sleep to stage 2 sleep from type I polysomnography

remt2p under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

Total number of shift (sleep stages shift) from REM sleep to stage 3/4 sleep from type I polysomnography

remt34p under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables

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

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

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

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

Percentage of rapid eye movement sleep (REM) included in the total thoraco-abdominal asynchrony analysis

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

Amount of rapid eye movement sleep (REM) included in the total thoraco-abdominal asynchrony analysis

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

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

nsrr_pctdursp_sr under Harmonized/Polysomnography/Sleep Architecture in MESA variables

Harmonized by the NSRR team. Source: :timeremp5:

Total number of arousals during REM sleep in supine position from type II polysomnography

arrembp5 under Sleep Monitoring/Polysomnography/Arousals in MESA variables

Total number of arousals during REM sleep in non-supine position from type II polysomnography

arremop5 under Sleep Monitoring/Polysomnography/Arousals in MESA variables

Number of periodic limb movements per hour of REM sleep from type II polysomnography

avgrplm5 under Sleep Monitoring/Polysomnography/Limb Movements in MESA variables

Average level of oxygen desaturation during REM sleep in supine position from type II polysomnography

avdrbp5 under Sleep Monitoring/Polysomnography/Oxygen Saturation in MESA variables

Average level of oxygen desaturation during REM sleep in non-supine position from type II polysomnography

avdrop5 under Sleep Monitoring/Polysomnography/Oxygen Saturation in MESA variables

Average level of oxygen saturation during REM sleep from type II polysomnography

avsao2rh5 under Sleep Monitoring/Polysomnography/Oxygen Saturation in MESA variables