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Total sleep duration from type I polysomnography and type III home sleep test
tst_modified under Sleep Monitoring/Polysomnography/Sleep Architecture in HOMEPAP variables
Composite total sleep duration based on the diagnostic sleep study and home sleep study. Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep, conventionally called total sleep time. For participants from the type III home sleep test, it is based on estimated sleep duration, which provides an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)This time period is used to calculate indices and other averages.
Weekday sleep duration
slpdur_wkday_sueno under Sleep Questionnaires/Sleep Habits in HCHS variables
Weekend sleep duration
slpdur_wkend_sueno under Sleep Questionnaires/Sleep Habits in HCHS variables
Average sleep duration
slpdur_sueno under Sleep Questionnaires/Sleep Habits in HCHS variables
Sleep Maintenance Efficiency: the proportion of estimated sleep duration in sleep period from type III home sleep apnea test
ttleffsp_f1t3 under Sleep Monitoring/Polysomnography/Sleep Architecture in NUMOM2B variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441). Sleep period is just the interval between sleep onset and sleep offset time.
Weekday sleep duration (hours)
slpdur_wkday under Sleep Questionnaires/Sleep Habits in HCHS variables
This is a numeric variable that calculates the self-reported sleep duration during weekdays.
Percentage of total estimated sleep duration with < 90% oxygen saturation from type III home sleep apnea test
satlt90p under Sleep Monitoring/Home Sleep Test in HOMEPAP variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Self-reported daily sleep duration in main sleep
totsleep under Sleep Questionnaires/Sleep Habits in WSC variables
Calculated - Weighted average of weekday and weekend self-reported sleep duration in main sleeps
Standard deviation of the daily sleep maintenance efficiency in weekdays from actigraphy
sdmainteffwd5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.
Standard deviation of the daily sleep maintenance efficiency in weekends from actigraphy
sdmainteffwe5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.
Standard deviation of the daily sleep maintenance efficiency in workdays from actigraphy
sdmainteffwo5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.
Weekend sleep duration (hours)
slpdur_wkend under Sleep Questionnaires/Sleep Habits in HCHS variables
This is a numeric variable that calculates the self-reported sleep duration during weekend days.
Standard deviation of the daily sleep maintenance efficiency in non-workdays from actigraphy
sdmainteffnw5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.
Standard deviation of the daily sleep maintenance efficiency in all days from actigraphy
sdmainteff5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.
Total estimated sleep duration from type III home sleep apnea test
index_time under Sleep Monitoring/Polysomnography/Sleep Architecture in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Average daily sleep maintenance efficiency in weekdays from actigraphy
avgmainteffwd5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.
Average daily sleep maintenance efficiency in weekends from actigraphy
avgmainteffwe5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.
Average daily sleep maintenance efficiency in workdays from actigraphy
avgmainteffwo5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep maintenance efficiency is the ratio between sleep duration (i.e. total sleep time, tst) and sleep period in main sleep. Sleep duration is the interval between sleep onset time and sleep offset time while asleep, while sleep period is the interval between sleep onset time and sleep offset time.
Total number of oxygen desaturations with >= 5% desaturation during estimated sleep duration from type III home sleep apnea test
desat10c under Sleep Monitoring/Polysomnography/Oxygen Saturation in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Average oxygen desaturation over estimated sleep duration from type III home sleep apnea test
avgdesat under Sleep Monitoring/Polysomnography/Oxygen Saturation in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Total number of oxygen desaturations in estimated sleep duration from type III home sleep apnea test
ndesatc under Sleep Monitoring/Polysomnography/Oxygen Saturation in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Total number of oxygen desaturations with < 5% desaturation in estimated sleep duration from type III home sleep apnea test
ndesat5 under Sleep Monitoring/Polysomnography/Oxygen Saturation in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Average oxygen saturation over estimated sleep duration from type IV home sleep apnea test
slpa92 under Sleep Monitoring/Polysomnography/Oxygen Saturation in HCHS variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Standard deviation of heart rate during estimated sleep duration from type III home sleep apnea test
stdbp under Sleep Monitoring/Polysomnography/Heart Rate in HEARTBEAT variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
Standard deviation of heart rate over estimated sleep duration from type IV home sleep apnea test
slpa114 under Sleep Monitoring/Polysomnography/Heart Rate in HCHS variables
Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)
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