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eeg2dur
under
Sleep Monitoring/Polysomnography/Signal Quality
in
SHHS variables
Useable data for EEG/EOG/EMG data is defined by the number of hours that sleep stages can be distinguished from awake. Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).
eogldur
under
Sleep Monitoring/Polysomnography/Signal Quality
in
SHHS variables
Useable data for EEG/EOG/EMG data is defined by the number of hours that sleep stages can be distinguished from awake. Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).
eogrdur
under
Sleep Monitoring/Polysomnography/Signal Quality
in
SHHS variables
Useable data for EEG/EOG/EMG data is defined by the number of hours that sleep stages can be distinguished from awake. Hours of useable signal are rounded out to the lowest whole integer (e.g. 4.6 hours of useable data = 4).