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Scorer notes

The Quality Assessment forms were completed by the scorer during preliminary review of the study, finalized after final scoring

When very large breaths (one or two) occur periodically (mostly on the inductance channels) between runs of fairly normal breaths for a duration of at least 10 minutes.

indicate when the recording either started or ended in sleep

indicate when the recording either started or ended in sleep

"1: Yes", this indicates more than 30 minutes of the sleep period had either lost or unscorable EEG data

When the technical quality of the EEG does not allow distinction between sleep stages, but allows a differentiation between sleep and wake. The time considered sleep will be marked as Stage 2. No arousals will be scored for these studies.

Scorer assessed that sleep latency was reliable.

*All non-compumedics collected studies have position hand scored by scorer from notes supplied by site / none of position signals transfer in European Data Format (EDF) only numbers

*position for all non-compumedics data hand scored from notes from site tech