sleep_duration - Search - Sleep Data - National Sleep Research Resource

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.

Average sleep duration per nap on weekdays from actigraphy

sawa120 under Sleep Monitoring/Actigraphy in HCHS variables

Sleep duration is the interval between sleep onset and sleep offset time while asleep.

Average sleep duration per nap on weekends from actigraphy

sawa167 under Sleep Monitoring/Actigraphy in HCHS variables

Sleep duration is the interval between sleep onset and sleep offset time while asleep.

Average sleep duration per nap on workdays from actigraphy

sawa214 under Sleep Monitoring/Actigraphy in HCHS variables

Sleep duration is the interval between sleep onset and sleep offset time while asleep.

Total number of oxygen desaturations with > 20% desaturation during estimated sleep from type III home sleep apnea test

ndesatgt20 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)

Number of oxygen desaturations per hour of estimated sleep from type III home sleep apnea test

desati 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)

Number of oxygen desaturations with < 85% desaturation per hour of estimated sleep from type III home sleep apnea test

ndesat85h 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)

Number of oxygen desaturations with >= 5% desaturation per hour of estimated sleep from type III home sleep apnea test

ndesatc10h 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)

Number of oxygen desaturations with >= 10% desaturation per hour of estimated sleep from type III home sleep apnea test

ndesatc20h 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)

Number of oxygen desaturations with >= 20% desaturation per hour of estimated sleep from type III home sleep apnea test

ndesatcgt20h 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)

Number of oxygen desaturations with > 20% desaturation per hour of estimated sleep from type III home sleep apnea test

ndesatgt20h 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)

Number of oxygen desaturations with < 90% saturation per hour of estimated sleep from type III home sleep apnea test

ndesat90h 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)

Number of oxygen desaturations with 10 - 20% desaturation per hour of estimated sleep from type III home sleep apnea test

ndesat20h 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)

Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test

ndesat5h 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)

Respiratory Event Index: (All respiratory events with at least 50% flow reduction and without any oxygen desaturation threshold used) / hours of estimated sleep from type III home sleep apnea test

aphypi under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices 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) Details about how the respiratory events were scored can be found in the Embletta scoring manual. Please refer to :ahi_screening: from the baseline screening visit for a more standardized version of AHI in this study.

Percentage of stage 1 sleep among total sleep duration from type I polysomnography (split-night, treatment)

pctstg1_t under Sleep Monitoring/Polysomnography/Sleep Architecture in HOMEPAP 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 (split-night, treatment)

pctstg2_t under Sleep Monitoring/Polysomnography/Sleep Architecture in HOMEPAP variables

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

Percentage of stage 3/4 sleep among total sleep duration from type I polysomnography (split-night, treatment)

pctstg34_t under Sleep Monitoring/Polysomnography/Sleep Architecture in HOMEPAP variables

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

Calculated sleep duration on weekends

endslp_dur_hr under Sleep Questionnaires/Sleep Habits in CFS variables

The difference between ENDSLP (self-reported sleep time) and ENDWAKE (self-reported wake time).

Calculated sleep duration on weekends

endslp_dur_mn under Sleep Questionnaires/Sleep Habits in CFS variables

The difference between ENDSLP (self-reported sleep time) and ENDWAKE (self-reported wake time).

Average duration of central apneas with no oxygen desaturation threshold used during estimated sleep from type III home sleep apnea test

durca under Sleep Monitoring/Polysomnography/Respiratory Event Length 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 total sleep duration in main sleep and naps combined across all days from actigraphy

sawa48 under Sleep Monitoring/Actigraphy in HCHS variables

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

Average daily total sleep duration in main sleep and naps combined on workdays from actigraphy

sawa189 under Sleep Monitoring/Actigraphy in HCHS variables

Sleep duration is the interval between sleep onset and sleep offset time while asleep.

Average oxygen saturation in total sleep duration from type I polysomnography

avgo2sattst under Sleep Monitoring/Polysomnography in WSC variables

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

Standard deviation of heart rate during estimated sleep in supine position from type III home sleep apnea test

stdbps 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)