psg_sao92slp psg_slp_eff

Related Variables

nsrr_begtimbd_f1 Lights-out or In-bed clock time from polysomnography

Conventionally, this variable would be called the start of time in bed (TIB).

Harmonized by the NSRR team. Source: :psg_scloutp:

 		Harmonized/Polysomnography/Sleep Architecture