| Name | Label | Folder | |
|---|---|---|---|
|
nsupinep
Percent Time non-supine
|
Percent Time non-supine
Percent of sleep time in non-supine body position |
Measurements/Polysomnography/Sleep Architecture | |
|
pctlt75
Percent of sleep time with less than 75% oxygen saturation (SaO2)
|
Percent of sleep time with less than 75% oxygen saturation (SaO2) | Measurements/Polysomnography/Sleep Architecture | |
|
pctlt80
Percent of sleep time with less than 80% oxygen saturation (SaO2)
|
Percent of sleep time with less than 80% oxygen saturation (SaO2) | Measurements/Polysomnography/Sleep Architecture | |
|
pctlt85
Percent of sleep time with less than 85% oxygen saturation (SaO2)
|
Percent of sleep time with less than 85% oxygen saturation (SaO2) | Measurements/Polysomnography/Sleep Architecture | |
|
pctlt90
Percent of sleep time with less than 90% oxygen saturation (SaO2)
|
Percent of sleep time with less than 90% oxygen saturation (SaO2)
Ratio of the number of minutes with oxygen saturation (SaO2) under 90% to the total sleep time expressed in hours. |
Measurements/Polysomnography/Sleep Architecture | |
|
slp_eff
Sleep Efficiency
|
Sleep Efficiency
Percentage of time in bed that was spent sleeping, or the ratio of total sleep time to total time in bed, expressed as a percentage. |
Measurements/Polysomnography/Sleep Architecture | |
|
slp_lat
Sleep latency
|
Sleep latency
Time from lights out time to beginning of sleep, rounded to nearest minute |
Measurements/Polysomnography/Sleep Architecture | |
|
slpprdp
Sleep Time
|
Sleep Time | Measurements/Polysomnography/Sleep Architecture | |
|
slptime
Total Sleep Time
|
Total Sleep Time | Measurements/Polysomnography/Sleep Architecture | |
|
supinep
Percent Time supine
|
Percent Time supine | Measurements/Polysomnography/Sleep Architecture | |
|
times34p
Percent Time in Stage 3/4
|
Percent Time in Stage 3/4 | Measurements/Polysomnography/Sleep Architecture | |
|
timest1p
Percent Time in Stage 1
|
Percent Time in Stage 1 | Measurements/Polysomnography/Sleep Architecture | |
|
timest2p
Percent Time in Stage 2
|
Percent Time in Stage 2 | Measurements/Polysomnography/Sleep Architecture | |
|
waso
Wake After Sleep Onset
|
Wake After Sleep Onset
Total amount of time spent awake after going to sleep |
Measurements/Polysomnography/Sleep Architecture | |
|
hremt1p
Number of rapid eye movement sleep (REM) to stage 1 shifts per hour of sleep
|
Number of rapid eye movement sleep (REM) to stage 1 shifts per hour of sleep | Measurements/Polysomnography/Sleep Architecture | |
|
hremt2p
Number of rapid eye movement sleep (REM) to stage 2 shifts per hour of sleep
|
Number of rapid eye movement sleep (REM) to stage 2 shifts per hour of sleep | Measurements/Polysomnography/Sleep Architecture | |
|
hremt34p
Number of rapid eye movement sleep (REM) to stage 3/4 shifts per hour of sleep
|
Number of rapid eye movement sleep (REM) to stage 3/4 shifts per hour of sleep | Measurements/Polysomnography/Sleep Architecture | |
|
hslptawp
Number of sleep to awake shifts per hour
|
Number of sleep to awake shifts per hour | Measurements/Polysomnography/Sleep Architecture | |
|
hstg2t1p
Number of stage 2 to stage 1 shifts per hour of sleep
|
Number of stage 2 to stage 1 shifts per hour of sleep | Measurements/Polysomnography/Sleep Architecture | |
|
hstg342p
Number of stage 3/4 to stage 1/2 shifts per hour of sleep
|
Number of stage 3/4 to stage 1/2 shifts per hour of sleep | Measurements/Polysomnography/Sleep Architecture | |
|
minremp
Time in rapid eye movement sleep (REM)
|
Time in rapid eye movement sleep (REM) | Measurements/Polysomnography/Sleep Architecture | |
|
minstg1p
Time in stage 1 sleep
|
Time in stage 1 sleep | Measurements/Polysomnography/Sleep Architecture | |
|
minstg2p
Time in stage 2 sleep
|
Time in stage 2 sleep | Measurements/Polysomnography/Sleep Architecture | |
|
mnstg34p
Time in stage 3-4 sleep
|
Time in stage 3-4 sleep | Measurements/Polysomnography/Sleep Architecture | |
|
nremepbp
Sleep Time (Non-rapid eye movement sleep (NREM), Supine)
|
Sleep Time (Non-rapid eye movement sleep (NREM), Supine) | Measurements/Polysomnography/Sleep Architecture | |
|
nremepop
Sleep Time (Non-rapid eye movement sleep (NREM), Non-supine)
|
Sleep Time (Non-rapid eye movement sleep (NREM), Non-supine) | Measurements/Polysomnography/Sleep Architecture | |
|
pcstah3d
Percent of sleep time in Apnea+Hypopnea with greater than >=3% oxygen desaturation
|
Percent of sleep time in Apnea+Hypopnea with greater than >=3% oxygen desaturation | Measurements/Polysomnography/Sleep Architecture | |
|
pcstahar
Percent of sleep time in Apnea or Hypopnea with arousal
|
Percent of sleep time in Apnea or Hypopnea with arousal | Measurements/Polysomnography/Sleep Architecture | |
|
pcstahda
Percent of sleep time in Apnea+Hypopnea with greater than >=3% oxygen desaturation or arousal
|
Percent of sleep time in Apnea+Hypopnea with greater than >=3% oxygen desaturation or arousal | Measurements/Polysomnography/Sleep Architecture | |
|
pctsa70h
Percent of sleep time oxygen saturation (SaO2) is below 70%
|
Percent of sleep time oxygen saturation (SaO2) is below 70% | Measurements/Polysomnography/Sleep Architecture | |
|
pctsa75h
Percent of sleep time oxygen saturation (SaO2) is below 75%
|
Percent of sleep time oxygen saturation (SaO2) is below 75% | Measurements/Polysomnography/Sleep Architecture | |
|
pctsa80h
Percent of sleep time oxygen saturation (SaO2) is below 80%
|
Percent of sleep time oxygen saturation (SaO2) is below 80% | Measurements/Polysomnography/Sleep Architecture | |
|
pctsa85h
Percent of sleep time oxygen saturation (SaO2) is below 85%
|
Percent of sleep time oxygen saturation (SaO2) is below 85% | Measurements/Polysomnography/Sleep Architecture | |
|
pctsa90h
Percent of sleep time oxygen saturation (SaO2) is below 90%
|
Percent of sleep time oxygen saturation (SaO2) is below 90% | Measurements/Polysomnography/Sleep Architecture | |
|
pctsa95h
Percent of sleep time oxygen saturation (SaO2) is below 95%
|
Percent of sleep time oxygen saturation (SaO2) is below 95% | Measurements/Polysomnography/Sleep Architecture | |
|
pctstapn
Percent of sleep time in Apnea
|
Percent of sleep time in Apnea | Measurements/Polysomnography/Sleep Architecture | |
|
pctsthyp
Percent of sleep time in Hypopnea
|
Percent of sleep time in Hypopnea | Measurements/Polysomnography/Sleep Architecture | |
|
remepbp
Sleep Time (Rapid eye movement sleep (REM), Supine)
|
Sleep Time (Rapid eye movement sleep (REM), Supine) | Measurements/Polysomnography/Sleep Architecture | |
|
remepop
Sleep Time (Rapid eye movement sleep (REM), Non-supine)
|
Sleep Time (Rapid eye movement sleep (REM), Non-supine) | Measurements/Polysomnography/Sleep Architecture | |
|
remlaiip
Rapid eye movement sleep (REM) Latency II - excluding wake
|
Rapid eye movement sleep (REM) Latency II - excluding wake | Measurements/Polysomnography/Sleep Architecture | |
|
remlaip
Rapid eye movement sleep (REM) Latency I - including wake time
|
Rapid eye movement sleep (REM) Latency I - including wake time | Measurements/Polysomnography/Sleep Architecture | |
|
rem_lat1
Rapid eye movement sleep (REM) Latency I
|
Rapid eye movement sleep (REM) Latency I
Total time from beginning of sleep to first epoch of rapid eye movement sleep (REM), rounded to nearest minute |
Measurements/Polysomnography/Sleep Architecture | |
|
remt1p
Number of rapid eye movement sleep (REM) to stage 1 shifts during sleep
|
Number of rapid eye movement sleep (REM) to stage 1 shifts during sleep | Measurements/Polysomnography/Sleep Architecture | |
|
remt2p
Number of rapid eye movement sleep (REM) to stage 2 shifts during sleep
|
Number of rapid eye movement sleep (REM) to stage 2 shifts during sleep | Measurements/Polysomnography/Sleep Architecture | |
|
remt34p
Number of rapid eye movement sleep (REM) to stage 3/4 shifts during sleep
|
Number of rapid eye movement sleep (REM) to stage 3/4 shifts during sleep | Measurements/Polysomnography/Sleep Architecture | |
|
scremp
Time in rapid eye movement sleep (REM)(Sleep Heart Health Study Visit One (SHHS1))
|
Time in rapid eye movement sleep (REM)(Sleep Heart Health Study Visit One (SHHS1)) | Measurements/Polysomnography/Sleep Architecture | |
|
scstg1p
Time in stage 1 sleep (Sleep Heart Health Study Visit One (SHHS1))
|
Time in stage 1 sleep (Sleep Heart Health Study Visit One (SHHS1)) | Measurements/Polysomnography/Sleep Architecture | |
|
scstg2p
Time in stage 2 sleep (Sleep Heart Health Study Visit One (SHHS1))
|
Time in stage 2 sleep (Sleep Heart Health Study Visit One (SHHS1)) | Measurements/Polysomnography/Sleep Architecture | |
|
scstg34p
Time in stage 3/4 sleep (Sleep Heart Health Study Visit One (SHHS1))
|
Time in stage 3/4 sleep (Sleep Heart Health Study Visit One (SHHS1)) | Measurements/Polysomnography/Sleep Architecture | |
|
sleep_latency
Sleep latency
|
Sleep latency
0: Unreliable 1:Reliable |
Measurements/Polysomnography/Sleep Architecture | |
|
slpeffp
Polysomnography (PSG) Report (Sleep Heart Health Study Visit Two (SHHS2)): Sleep Efficiency
|
Polysomnography (PSG) Report (Sleep Heart Health Study Visit Two (SHHS2)): Sleep Efficiency | Measurements/Polysomnography/Sleep Architecture | |
|
slplatp
Polysomnography (PSG) Report (Sleep Heart Health Study Visit One (SHHS1)): Sleep Latency
|
Polysomnography (PSG) Report (Sleep Heart Health Study Visit One (SHHS1)): Sleep Latency | Measurements/Polysomnography/Sleep Architecture | |
|
slp_rdi
Sleep time used in calculations
|
Sleep time used in calculations
Total time from lights out to lights on that is scored as sleep, rounded to nearest minute |
Measurements/Polysomnography/Sleep Architecture | |
|
slptawp
Number of sleep to awake shifts
|
Number of sleep to awake shifts | Measurements/Polysomnography/Sleep Architecture | |
|
slp_time
Sleep time when entire sleep was captured
|
Sleep time when entire sleep was captured
Sleep time will be missing for studies where the entire sleep period was not captured. |
Measurements/Polysomnography/Sleep Architecture | |
|
stg2t1p
Number of stage 2 to stage 1 shifts during sleep
|
Number of stage 2 to stage 1 shifts during sleep | Measurements/Polysomnography/Sleep Architecture | |
|
stg34t2p
Number of stage 3/4 to stage 1/2 shifts during sleep
|
Number of stage 3/4 to stage 1/2 shifts during sleep | Measurements/Polysomnography/Sleep Architecture | |
|
stloutp
Lights out time
|
Lights out time
In Sleep Hearth Health Study Visit 1 (SHHS1), values are in number of epochs from start of recording. In Sleep Heart Health Study Visit 2(SHHS2), values are clock times. |
Measurements/Polysomnography/Sleep Architecture | |
|
stonsetp
Sleep onset time
|
Sleep onset time | Measurements/Polysomnography/Sleep Architecture | |
|
time_bed
Total Time in Bed
|
Total Time in Bed
Time from lights out to lights on, rounded to nearest minute |
Measurements/Polysomnography/Sleep Architecture | |
|
timebedp
Time in bed
|
Time in bed | Measurements/Polysomnography/Sleep Architecture | |
|
timerem
Minutes spent in rapid eye movement sleep (REM)
|
Minutes spent in rapid eye movement sleep (REM)
Total time scored as rapid eye movement sleep (REM) rounded to nearest minute |
Measurements/Polysomnography/Sleep Architecture | |
|
timeremp
Percent Time in rapid eye movement sleep (REM)
|
Percent Time in rapid eye movement sleep (REM)
The ratio of time in rapid eye movement sleep (REM) to total sleep time, expressed as a percentage. |
Measurements/Polysomnography/Sleep Architecture | |
|
timest1
Time in Stage 1
|
Time in Stage 1
Total time scored as stage 1 rounded to nearest minute |
Measurements/Polysomnography/Sleep Architecture | |
|
timest2
Time in Stage 2
|
Time in Stage 2
Total time scored as stage 2 rounded to nearest minute |
Measurements/Polysomnography/Sleep Architecture | |
|
timest34
Time in Stage 3/4
|
Time in Stage 3/4
Total time scored as stage 3/4 rounded to nearest minute |
Measurements/Polysomnography/Sleep Architecture | |
|
tmremp
Percent of sleep time in rapid eye movement sleep (REM)
|
Percent of sleep time in rapid eye movement sleep (REM) | Measurements/Polysomnography/Sleep Architecture | |
|
tmstg1p
Percent of sleep time in stage 1 sleep
|
Percent of sleep time in stage 1 sleep | Measurements/Polysomnography/Sleep Architecture | |
|
tmstg2p
Percent of sleep time in stage 2 sleep
|
Percent of sleep time in stage 2 sleep | Measurements/Polysomnography/Sleep Architecture | |
|
tmstg34p
Percent of sleep time in stage 3-4 sleep
|
Percent of sleep time in stage 3-4 sleep | Measurements/Polysomnography/Sleep Architecture |