Related Variables
| lstmens | When was your last period | Medical History/Reproductive Health | |
| sao90awk | Total duration of wake time during sleep period with oxygen saturation < 90% from type I polysomnography | Sleep Monitoring/Polysomnography/Oxygen Saturation | |
| sao92awk |
Total duration of wake time during sleep period with oxygen saturation > 92% from type I polysomnography
Total time oxygen saturation above 92% during wake, in minutes |
Sleep Monitoring/Polysomnography/Oxygen Saturation | |
| csbre |
Polysomnography (PSG) Quality Assessment: Periodic breathing (10 minutes)
Scorer observed periodic breathing for a period of at least 10 minutes during study. |
Sleep Monitoring/Polysomnography/Signal Quality | |
| lagbreath |
Polysomnography (PSG) Quality Assessment: Periodic breathing (10 minutes)
Scorer observed periodic breathing for a period of at least 10 minutes during study. |
Sleep Monitoring/Polysomnography/Signal Quality | |
| recafsle |
PSG Quality Assessment: Data Lost - Recording began after sleep
Data was lost at the beginning of sleep period because recording began after sleep onset. |
Sleep Monitoring/Polysomnography/Signal Quality | |
| recbeaw |
PSG Quality Assessment: Data Lost - Recording ended before wake
Data was lost at the end of sleep period because recording ended before wake. |
Sleep Monitoring/Polysomnography/Signal Quality | |
| slpeffp |
Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography
Sleep duration is the interval between sleep onset time and lights on/out-bed time while asleep (i.e. total sleep time, TST), while in-bed period is the interval between lights off/in-bed time and lights on/out-bed time (i.e. time in bed, TIB). |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
| stdurm | Total period of recording from type I polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
| timebedp | Total period of bed (in-bed) from type I polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
| daymid_time | Calculated mid-point of sleep period during weekday | Sleep Questionnaires/Sleep Habits | |
| endmid_time | Calculated mid-point of sleep period during weekends | Sleep Questionnaires/Sleep Habits | |
| tothrslp | How many total hours of actual sleep do you get in a 24-hour period (including naps) | Sleep Questionnaires/Sleep Habits |