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Questions about sleep disorders, like circadian rhythm sleep disorders, or the general topic of sleep as it relates to health.

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What does "Event Marker" refer to in sleep (PSG) study?

I am an engineer working on PSG studies datasets. The particular dataset that I'm looking at has recorded 2 EEG channels, eye movement (HEOG), chin EMG, body temp and respiration and an event marker! …
Ali Kavoosi's user avatar