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Sleep Heart Health Study

Name Label Folder
nsupinep
Percentage of total sleep duration in non-supine position from type II polysomnography
Percentage of total sleep duration in non-supine position from type II polysomnography

Percent of sleep time in non-supine body position

Sleep Monitoring/Polysomnography/Sleep Architecture
slpeffp
Sleep Maintenance Efficiency: the proportion of sleep duration in sleep period from type II polysomnography
Sleep Maintenance Efficiency: the proportion of sleep duration in sleep period from type II polysomnography

Sleep duration (i.e. total sleep time, TST) is the interval between sleep onset and sleep offset time while asleep. Sleep period is just the interval between sleep onset and sleep offset time.

Sleep Monitoring/Polysomnography/Sleep Architecture
slpprdp
Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography
Total Sleep Duration: the interval between sleep onset and sleep offset while the participant is asleep from type II polysomnography

Conventionally this variable would be called total sleep time (TST)(i.e. total time spent in stage 1 or greater).

Sleep Monitoring/Polysomnography/Sleep Architecture
supinep
Percentage of total sleep duration in supine position from type II polysomnography
Percentage of total sleep duration in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
timeremp
Percentage of total sleep duration in REM from type II polysomnography
Percentage of total sleep duration in REM from type II polysomnography

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

Sleep Monitoring/Polysomnography/Sleep Architecture
times34p
Percentage of total sleep duration in stage 3 and 4 from type II polysomnography
Percentage of total sleep duration in stage 3 and 4 from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
timest1p
Percentage of total sleep duration in stage 1 from type II polysomnography
Percentage of total sleep duration in stage 1 from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
timest2p
Percentage of total sleep duration in stage 2 from type II polysomnography
Percentage of total sleep duration in stage 2 from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
waso
Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography
Wake after Sleep Onset: the total duration between sleep onset and sleep offset time while being awake from type II polysomnography

Total amount of time spent awake after going to sleep

Sleep Monitoring/Polysomnography/Sleep Architecture
hremt1p
Number of shift (sleep stages shift) from REM sleep to stage 1 sleep per hour of sleep from type II polysomnography
Number of shift (sleep stages shift) from REM sleep to stage 1 sleep per hour of sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
hremt2p
Number of shift (sleep stages shift) from REM sleep to stage 2 sleep per hour of sleep from type II polysomnography
Number of shift (sleep stages shift) from REM sleep to stage 2 sleep per hour of sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
hremt34p
Number of shift (sleep stages shift) from REM sleep to stage 3/4 sleep per hour of sleep from type II polysomnography
Number of shift (sleep stages shift) from REM sleep to stage 3/4 sleep per hour of sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
hslptawp
Number of shift (sleep stages shift) from sleep to awake per hour of sleep from type II polysomnography
Number of shift (sleep stages shift) from sleep to awake per hour of sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
hstg2t1p
Number of shift (sleep stages shift) from stage 2 to stage 1 sleep per hour of sleep from type II polysomnography
Number of shift (sleep stages shift) from stage 2 to stage 1 sleep per hour of sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
hstg342p
Number of shift (sleep stages shift) from stage 3/4 to stage 1/2 sleep per hour of sleep from type II polysomnography
Number of shift (sleep stages shift) from stage 3/4 to stage 1/2 sleep per hour of sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
nremepbp
Total duration of sleep in NREM sleep in supine position from type II polysomnography
Total duration of sleep in NREM sleep in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
nremepop
Total duration of sleep in NREM sleep in non-supine position from type II polysomnography
Total duration of sleep in NREM sleep in non-supine position from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pcstah3d
Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and > 3% oxygen desaturation and with or without arousal) from type II polysomnography
Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and > 3% oxygen desaturation and with or without arousal) from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pcstahar
Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type II polysomnography
Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and no oxygen desaturation and only with arousal) from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pcstahda
Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and > 3% oxygen desaturation or with arousal) from type II polysomnography
Percentage of total sleep duration: (Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and > 3% oxygen desaturation or with arousal) from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pctsa70h
Percent total sleep duration with below 70% oxygen saturation from type II polysomnography
Percent total sleep duration with below 70% oxygen saturation from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pctsa75h
Percent total sleep duration with below 75% oxygen saturation from type II polysomnography
Percent total sleep duration with below 75% oxygen saturation from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pctsa80h
Percent total sleep duration with below 80% oxygen saturation from type II polysomnography
Percent total sleep duration with below 80% oxygen saturation from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pctsa85h
Percent total sleep duration with below 85% oxygen saturation from type II polysomnography
Percent total sleep duration with below 85% oxygen saturation from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pctsa90h
Percent total sleep duration with below 90% oxygen saturation from type II polysomnography
Percent total sleep duration with below 90% oxygen saturation from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pctsa95h
Percent total sleep duration with below 95% oxygen saturation from type II polysomnography
Percent total sleep duration with below 95% oxygen saturation from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pctstapn
Percentage of total sleep duration with apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography
Percentage of total sleep duration with apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pctsthyp
Percentage of total sleep duration with hypopneas with > 30% flow reduction and with no oxygen desaturation threhold or with arousal from type II polysomnography
Percentage of total sleep duration with hypopneas with > 30% flow reduction and with no oxygen desaturation threhold or with arousal from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_ap0
Percent of sleep time in apneas
Percent of sleep time in apneas Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_ap0hp3
Percent of sleep time in [apneas] and [hypopneas with >= 3% oxygen desaturation]
Percent of sleep time in [apneas] and [hypopneas with >= 3% oxygen desaturation] Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_ap0hp3a
Percent of sleep time in [apneas] and [hypopneas with >= 3% oxygen desaturation or with arousal]
Percent of sleep time in [apneas] and [hypopneas with >= 3% oxygen desaturation or with arousal] Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_ap3
Percent of sleep time in apneas with >= 3% oxygen desaturation
Percent of sleep time in apneas with >= 3% oxygen desaturation Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_ca0
Percent of sleep time in central apneas
Percent of sleep time in central apneas Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_hp0
Percent of sleep time in hypopneas
Percent of sleep time in hypopneas Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_hp3
Percent of sleep time in hypopneas with >= 3% oxygen desaturation
Percent of sleep time in hypopneas with >= 3% oxygen desaturation Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_hp3a
Percent of sleep time in hypopneas with >= 3% oxygen desaturation or with arousal
Percent of sleep time in hypopneas with >= 3% oxygen desaturation or with arousal Sleep Monitoring/Polysomnography/Sleep Architecture
pslp_oa0
Percent of sleep time in obstructive apneas
Percent of sleep time in obstructive apneas Sleep Monitoring/Polysomnography/Sleep Architecture
remepbp
Total duration of sleep in REM sleep in supine position from type II polysomnography
Total duration of sleep in REM sleep in supine position from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
remepop
Total duration of sleep in REM sleep in non-supine position from type II polysomnography
Total duration of sleep in REM sleep in non-supine position from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
remlaiip
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake from type II polysomnography
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
remlaip
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
remt1p
Total number of shift (sleep stages shift) from REM sleep to stage 1 sleep from type II polysomnography
Total number of shift (sleep stages shift) from REM sleep to stage 1 sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
remt2p
Total number of shift (sleep stages shift) from REM sleep to stage 2 sleep from type II polysomnography
Total number of shift (sleep stages shift) from REM sleep to stage 2 sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
remt34p
Total number of shift (sleep stages shift) from REM sleep to stage 3/4 sleep from type II polysomnography
Total number of shift (sleep stages shift) from REM sleep to stage 3/4 sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
slplatp
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type II polysomnography
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
slptawp
Total number of shift (sleep stages shift) from sleep to awake from type II polysomnography
Total number of shift (sleep stages shift) from sleep to awake from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
stg2t1p
Total number of shift (sleep stages shift) from stage 2 to stage 1 sleep from type II polysomnography
Total number of shift (sleep stages shift) from stage 2 to stage 1 sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
stg34t2p
Total number of shift (sleep stages shift) from stage 3/4 to stage 1/2 sleep from type II polysomnography
Total number of shift (sleep stages shift) from stage 3/4 to stage 1/2 sleep from type II polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture
stloutp
Clock time when the participant is in bed or lights are out from type II polysomnography
Clock time when the participant is in bed or lights are out from type II polysomnography

Conventionally, this variable would be called the start of time in bed (TIB).

In Visit 1 this variable represents the number of epochs from recording start.

Sleep Monitoring/Polysomnography/Sleep Architecture
stonsetp
Sleep onset time from type II polysomnography
Sleep onset time from type II polysomnography

Conventionally this variable would be called the start of total sleep time (TST) (i.e. total time spent in stage 1 or greater).

In Visit 1 this variable represents the number of epochs from recording start.

Sleep Monitoring/Polysomnography/Sleep Architecture
timebedp
Total In-bed Period: the interval between lights out/in-bed time and lights off/out-bed time from type II polysomnography
Total In-bed Period: the interval between lights out/in-bed time and lights off/out-bed time from type II polysomnography

Calculated. Conventionally this variable would be called time in bed (TIB).

Sleep Monitoring/Polysomnography/Sleep Architecture
timerem
Total duration of REM sleep from type II polysomnography
Total duration of REM sleep from type II polysomnography

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

Sleep Monitoring/Polysomnography/Sleep Architecture
timest1
Total duration of stage 1 sleep from type II polysomnography
Total duration of stage 1 sleep from type II polysomnography

Total time scored as stage 1 rounded to nearest minute

Sleep Monitoring/Polysomnography/Sleep Architecture
timest2
Total duration of stage 2 sleep from type II polysomnography
Total duration of stage 2 sleep from type II polysomnography

Total time scored as stage 2 rounded to nearest minute

Sleep Monitoring/Polysomnography/Sleep Architecture
timest34
Total duration of stage 3 and 4 sleep from type II polysomnography
Total duration of stage 3 and 4 sleep from type II polysomnography

Total time scored as stage 3/4 rounded to nearest minute

Sleep Monitoring/Polysomnography/Sleep Architecture