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Sleep Heart Health Study

Name Label Folder
avnn
Mean of all normal sinus to normal sinus interbeat intervals (NN)
Mean of all normal sinus to normal sinus interbeat intervals (NN) HRV Analysis
event01end
Respiratory event (01) end time
Respiratory event (01) end time HRV Analysis
event01start
Respiratory event (01) start time
Respiratory event (01) start time HRV Analysis
event02end
Respiratory event (02) end time
Respiratory event (02) end time HRV Analysis
event02start
Respiratory event (02) start time
Respiratory event (02) start time HRV Analysis
event03end
Respiratory event (03) end time
Respiratory event (03) end time HRV Analysis
event03start
Respiratory event (03) start time
Respiratory event (03) start time HRV Analysis
event04end
Respiratory event (04) end time
Respiratory event (04) end time HRV Analysis
event04start
Respiratory event (04) start time
Respiratory event (04) start time HRV Analysis
event05end
Respiratory event (05) end time
Respiratory event (05) end time HRV Analysis
event05start
Respiratory event (05) start time
Respiratory event (05) start time HRV Analysis
event06end
Respiratory event (06) end time
Respiratory event (06) end time HRV Analysis
event06start
Respiratory event (06) start time
Respiratory event (06) start time HRV Analysis
event07end
Respiratory event (07) end time
Respiratory event (07) end time HRV Analysis
event07start
Respiratory event (07) start time
Respiratory event (07) start time HRV Analysis
event08end
Respiratory event (08) end time
Respiratory event (08) end time HRV Analysis
event08start
Respiratory event (08) start time
Respiratory event (08) start time HRV Analysis
event09end
Respiratory event (09) end time
Respiratory event (09) end time HRV Analysis
event09start
Respiratory event (09) start time
Respiratory event (09) start time HRV Analysis
event10end
Respiratory event (10) end time
Respiratory event (10) end time HRV Analysis
event10start
Respiratory event (10) start time
Respiratory event (10) start time HRV Analysis
event11end
Respiratory event (11) end time
Respiratory event (11) end time HRV Analysis
event11start
Respiratory event (11) start time
Respiratory event (11) start time HRV Analysis
event12end
Respiratory event (12) end time
Respiratory event (12) end time HRV Analysis
event12start
Respiratory event (12) start time
Respiratory event (12) start time HRV Analysis
event13end
Respiratory event (13) end time
Respiratory event (13) end time HRV Analysis
event13start
Respiratory event (13) start time
Respiratory event (13) start time HRV Analysis
event14end
Respiratory event (14) end time
Respiratory event (14) end time HRV Analysis
event14start
Respiratory event (14) start time
Respiratory event (14) start time HRV Analysis
event15end
Respiratory event (15) end time
Respiratory event (15) end time HRV Analysis
event15start
Respiratory event (15) start time
Respiratory event (15) start time HRV Analysis
event16end
Respiratory event (16) end time
Respiratory event (16) end time HRV Analysis
event16start
Respiratory event (16) start time
Respiratory event (16) start time HRV Analysis
event17end
Respiratory event (17) end time
Respiratory event (17) end time HRV Analysis
event17start
Respiratory event (17) start time
Respiratory event (17) start time HRV Analysis
event18end
Respiratory event (18) end time
Respiratory event (18) end time HRV Analysis
event18start
Respiratory event (18) start time
Respiratory event (18) start time HRV Analysis
hasrespevent
1 or more respiratory events in 5 minute window
1 or more respiratory events in 5 minute window HRV Analysis
hf
High frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.15 and 0.4 Hz
High frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.15 and 0.4 Hz HRV Analysis
hf_n
High frequency power (normalized)
High frequency power (normalized) HRV Analysis
ihr
Instantaneous heart rate
Instantaneous heart rate HRV Analysis
lf
Low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.04 and 0.15 Hz
Low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.04 and 0.15 Hz HRV Analysis
lf_hf
The ratio of low to high frequency power
The ratio of low to high frequency power HRV Analysis
lf_n
Low frequency power (normalized)
Low frequency power (normalized) HRV Analysis
nn_rr
Ratio of consecutive normal sinus beats (NN) over all cardiac inter-beat (RR) intervals
Ratio of consecutive normal sinus beats (NN) over all cardiac inter-beat (RR) intervals HRV Analysis
pnn10
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >10 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >10 ms HRV Analysis
pnn20
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >20 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >20 ms HRV Analysis
pnn30
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >30 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >30 ms HRV Analysis
pnn40
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >40 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >40 ms HRV Analysis
pnn50
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >50 ms
Percentage of differences between adjacent normal sinus to normal sinus interbeat (NN) intervals that are >50 ms HRV Analysis
rmssd
Square root of the mean of the squares of difference between adjacent normal sinus to normal sinus interbeat (NN) intervals
Square root of the mean of the squares of difference between adjacent normal sinus to normal sinus interbeat (NN) intervals HRV Analysis
sdann
Standard deviation of the averages of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments
Standard deviation of the averages of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments HRV Analysis
sdnn
Standard deviation of all normal sinus to normal sinus interbeat (NN) intervals
Standard deviation of all normal sinus to normal sinus interbeat (NN) intervals HRV Analysis
sdnnidx
Mean of the standard deviations of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments
Mean of the standard deviations of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments HRV Analysis
sleepstage01
Sleep stage of first 30 second epoch in 5 minute window
Sleep stage of first 30 second epoch in 5 minute window HRV Analysis
sleepstage02
Sleep stage of second 30 second epoch in 5 minute window
Sleep stage of second 30 second epoch in 5 minute window HRV Analysis
sleepstage03
Sleep stage of third 30 second epoch in 5 minute window
Sleep stage of third 30 second epoch in 5 minute window HRV Analysis
sleepstage04
Sleep stage of fourth 30 second epoch in 5 minute window
Sleep stage of fourth 30 second epoch in 5 minute window HRV Analysis
sleepstage05
Sleep stage of fifth 30 second epoch in 5 minute window
Sleep stage of fifth 30 second epoch in 5 minute window HRV Analysis
sleepstage06
Sleep stage of sixth 30 second epoch in 5 minute window
Sleep stage of sixth 30 second epoch in 5 minute window HRV Analysis
sleepstage07
Sleep stage of seventh 30 second epoch in 5 minute window
Sleep stage of seventh 30 second epoch in 5 minute window HRV Analysis
sleepstage08
Sleep stage of eighth 30 second epoch in 5 minute window
Sleep stage of eighth 30 second epoch in 5 minute window HRV Analysis
sleepstage09
Sleep stage of ninth 30 second epoch in 5 minute window
Sleep stage of ninth 30 second epoch in 5 minute window HRV Analysis
sleepstage10
Sleep stage of tenth 30 second epoch in 5 minute window
Sleep stage of tenth 30 second epoch in 5 minute window HRV Analysis
start__sec_
5 minute window start time
5 minute window start time HRV Analysis
tot_pwr
Total normal sinus to normal sinus interbeat (NN) interval spectral power up to 0.4 Hz
Total normal sinus to normal sinus interbeat (NN) interval spectral power up to 0.4 Hz HRV Analysis
ulf
Ultra-low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0 and 0.003 Hz
Ultra-low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0 and 0.003 Hz HRV Analysis
vlf
Very low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.003 and 0.04 Hz
Very low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.003 and 0.04 Hz HRV Analysis