Related Variables
| period |
Polysomnography (PSG) Quality Assessment (Sleep Heart Health Study Visit Two (SHHS2)): Periodic breathing (5 min)
Scorer observed periodic breathing for a period of at least 5 minutes during study. |
Sleep Monitoring/Polysomnography/Signal Quality/SHHS2 | |
| timebedp |
Total In-bed Period: the interval between lights out/in-bed time and lights off/out-bed time from type II polysomnography
Calculated. Conventionally this variable would be called time in bed (TIB). |
Sleep Monitoring/Polysomnography/Sleep Architecture |