Validation of Nighttime Sleepability Scale Against Objective and Subjective Measures of Sleep Quality

Quick self-assessment of night sleep quality with reliable and valid instruments is often required in various fundamental and applied studies in the field of sleep medicine and chronomedicine. Individual differences in sleep quality are usually assessed with a special scale, whereas such a scale is absent in most of questionnaires for evaluation of individual differences in the domain of chronobiology. One of two exceptions is the 6-scale...