duration - Search - Sleep Data - National Sleep Research Resource - NSRR

We use cookies and other tools to enhance your experience on our website and to analyze our web traffic.
For more information about these cookies and the data collected, please refer to our Privacy Policy.

Variables of the CFT dataset

Reply by kelseygonring on November 8, 2015 on Forum

We calculated the sleep duration of weekday sleep and ... calculations, the weekday sleep duration (DAYSLP_dur_hr) was the same ... but the weekend sleep duration (END_dur_hr) was slightly off. ...

Percent of total sleep duration in stage 1 sleep from type I polysomnography

pctdursp_s1_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.

Percent of total sleep duration in stage 2 sleep from type I polysomnography

pctdursp_s2_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.

Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography

pctdursp_s3_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.

Percent of total sleep duration with oxygen saturation < 75% from type I polysomnography

pctdursp_salt75_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.

Percent of total sleep duration with oxygen saturation < 80% from type I polysomnography

pctdursp_salt80_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.

Percent of total sleep duration with oxygen saturation < 85% from type I polysomnography

pctdursp_salt85_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.

Percent of total sleep duration with oxygen saturation < 90% from type I polysomnography

pctdursp_salt90_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time.

Total sleep duration from type I polysomnography

ttldursp_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time

Average duration of apnea from type I polysomnography

apavgdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Average duration of apnea (entire recording)

Total duration of mixed apnea from type I polysomnography

aptdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Total duration of mixed apnea (entire recording)

Average duration of central apnea from type I polysomnography

cavgdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Average duration of central apnea (entire recording)

Average duration of hypopnea from type I polysomnography

havgdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Average duration of hypopnea (entire recording)

Total duration of hypopnea from type I polysomnography

htdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Total duration of hypopnea (entire recording)

Average duration of obstructive apnea from type I polysomnography

oavgdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Average duration of obstructive apnea (entire recording)

Total duration of obstructive apnea in NREM sleep from type I polysomnography

ontdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Total duration of obstructive apnea in NREM sleep

Total duration of obstructive apnea in NREM sleep in supine position from type I polysomnography

ontdurbp under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Total duration of obstructive apnea in NREM sleep with non-supine body position

Total duration of obstructive apnea in NREM sleep in non-supine position from type I polysomnography

ontdurop under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Total duration of obstructive apnea in REM sleep with non-supine body position

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

ortdurop under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Total duration of obstructive apnea in REM sleep with non-supine body position

Total duration of obstructive apnea from type I polysomnography

otdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in CFS variables

Total duration of obstructive apnea (entire recording)

Percent of the total sleep duration with oxygen saturation below 90% from type I polysomnography

pctsa90h under Sleep Monitoring/Polysomnography/Sleep Architecture in CFS variables

Conventionally, total sleep duration would be called total sleep time (TST).

Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography

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

Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep (i.e. total sleep time, TST), while in-bed period is the interval between lights off/in-bed time and lights on/out-bed time (i.e. time in bed, TIB).

Percentage of REM sleep among total sleep duration from type I polysomnography

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

Conventionally, total sleep duration would be called total sleep time (TST).

Percentage of stage 1 sleep among total sleep duration from type I polysomnography

timest1p under Sleep Monitoring/Polysomnography/Sleep Architecture in CFS variables

Conventionally, total sleep duration would be called total sleep time (TST).

Percentage of stage 2 sleep among total sleep duration from type I polysomnography

timest2p under Sleep Monitoring/Polysomnography/Sleep Architecture in CFS variables

Conventionally, total sleep duration would be called total sleep time (TST).