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Hello,
I'm trying to use the SHHS database for developing a breathing rate based sleep stage prediction model.
I've came across the fact that many of the recordings edfs have both "AIRFLOW" and "NEW AIR" signals, and some have just "NEW AIR" or "New Air" signals.
What is this "NEW AIR" signal? and does "AIRFLOW" signal indicate nasal or oral airflow?
I've looked through all the documentation but could not find an answer to this, does anyone know?
Thank you