Name | Label | Folder | |
---|---|---|---|
pctlt90
Percentage duration of sleep with oxygen saturation < 90% from type I polysomnography
|
Percentage duration of sleep with oxygen saturation < 90% from type I polysomnography
Ratio of the number of minutes with oxygen saturation (SaO2) under 90% to the total sleep time expressed in hours. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
rdi3p
Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
|
Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
[(total number of apneas and hypopneas associated with >= 3% oxygen desaturation) / (hours of sleep)] |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
slp_eff
Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography
|
Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography
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). [100*(total sleep time) / (total time in bed)] |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
slpprdp
Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
|
Total Sleep Duration: the interval between sleep onset time and lights on/out-bed time while the participant is asleep from type I polysomnography
Conventionally, this would be called total sleep time (TST) (i.e. total time spent in stage 1 or greater). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
waso
Wake After Sleep Onset: the total duration being awake between sleep onset and lights-on/out-bed time from type I polysomnography
|
Wake After Sleep Onset: the total duration being awake between sleep onset and lights-on/out-bed time from type I polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
pctlt70
Percentage duration of sleep with oxygen saturation < 70% from type I polysomnography
|
Percentage duration of sleep with oxygen saturation < 70% from type I polysomnography
Ratio of the number of minutes with oxygen saturation (SaO2) under 70% to the total sleep time expressed in hours. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
pctlt75
Percentage duration of sleep with oxygen saturation < 75% from type I polysomnography
|
Percentage duration of sleep with oxygen saturation < 75% from type I polysomnography
Ratio of the number of minutes with oxygen saturation (SaO2) under 75% to the total sleep time expressed in hours. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
pctlt80
Percentage duration of sleep with oxygen saturation < 80% from type I polysomnography
|
Percentage duration of sleep with oxygen saturation < 80% from type I polysomnography
Ratio of the number of minutes with oxygen saturation (SaO2) under 80% to the total sleep time expressed in hours. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
pctlt85
Percentage duration of sleep with oxygen saturation < 85% from type I polysomnography
|
Percentage duration of sleep with oxygen saturation < 85% from type I polysomnography
Ratio of the number of minutes with oxygen saturation (SaO2) under 85% to the total sleep time expressed in hours. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
pctlt95
Percentage duration of sleep with oxygen saturation < 95% from type I polysomnography
|
Percentage duration of sleep with oxygen saturation < 95% from type I polysomnography
Ratio of the number of minutes with oxygen saturation (SaO2) under 95% to the total sleep time expressed in hours. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
remlaiip
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake from type I polysomnography
|
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake from type I polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
remlaip
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type I polysomnography
|
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type I polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
slplatp
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type I polysomnography
|
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type I polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
slp_maint_eff
Sleep Maintenance Efficiency: the proportion of sleep duration in sleep period from type I polysomnography
|
Sleep Maintenance Efficiency: the proportion of sleep duration in sleep period from type I polysomnography
Sleep duration (i.e., total sleep time, TST) is the interval between sleep onset and sleep offset time while asleep. Sleep period is the interval between sleep onset and sleep offset time. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
stlonp
Clock time when the participant is out of bed or lights are on from type I polysomnography
|
Clock time when the participant is out of bed or lights are on from type I polysomnography
Conventionally, this variable would be called the end of time in bed (TIB). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
stlonp_dec
Clock time (hours of the day) when the participant is out of bed or lights are on from type I polysomnography
|
Clock time (hours of the day) when the participant is out of bed or lights are on from type I polysomnography
Conventionally, this variable would be called the end of time in bed (TIB). 24 hours were added to the original values that occurred after midnight |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
stloutp
Clock time when the participant is in bed or lights are out from type I polysomnography
|
Clock time when the participant is in bed or lights are out from type I polysomnography
Conventionally, this variable would be called the start of time in bed (TIB). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
stloutp_dec
Clock time (hours of the day) when the participant is in bed or lights are out from type I polysomnography
|
Clock time (hours of the day) when the participant is in bed or lights are out from type I polysomnography
Conventionally, this variable would be called the start of time in bed (TIB). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
stonsetp
Sleep onset time from type I polysomnography
|
Sleep onset time from type I polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
stonsetp_dec
Sleep onset time (hours of the day) from type I polysomnography
|
Sleep onset time (hours of the day) from type I polysomnography
24 hours were added to the original values that occurred after midnight |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
timerem
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
|
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
Total time scored as rapid eye movement sleep (REM) rounded to nearest minute |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
timeremp
Percentage of REM sleep among total sleep duration from type I polysomnography
|
Percentage of REM sleep among total sleep duration from type I polysomnography
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
times34p
Percentage duration of sleep in stage 3/4 sleep from type I polysomnography
|
Percentage duration of sleep in stage 3/4 sleep from type I polysomnography
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
timest1
Total duration of sleep in stage 1 sleep from type I polysomnography
|
Total duration of sleep in stage 1 sleep from type I polysomnography
Total time scored as stage 1 sleep rounded to nearest minute |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
timest1p
Percentage of stage 1 sleep among total sleep duration from type I polysomnography
|
Percentage of stage 1 sleep among total sleep duration from type I polysomnography
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
timest2
Total duration of sleep in stage 2 sleep from type I polysomnography
|
Total duration of sleep in stage 2 sleep from type I polysomnography
Total time scored as stage 2 sleep rounded to nearest minute |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
timest2p
Percentage of stage 2 sleep among total sleep duration from type I polysomnography
|
Percentage of stage 2 sleep among total sleep duration from type I polysomnography
Conventionally, total sleep duration would be called total sleep time (TST). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
timest34
Total duration of sleep in stage 3/4 sleep from type I polysomnography
|
Total duration of sleep in stage 3/4 sleep from type I polysomnography
Total time scored as stage 3/4 sleep rounded to nearest minute |
Sleep Monitoring/Polysomnography/Sleep Architecture |