Name
slpeffp
Label
Sleep Efficiency: the ratio of sleep duration (i.e. total sleep time) to in-bed period from type I polysomnography
Description
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).
[(Total Sleep Time (TST)) / (time from sleep onset to morning waking)] * 100 (data can be inaccurate if scorer has not set sleep onset rule properly in compumedics software)
Units
percent (%)
Type
numeric
Tags