Low repeatability of Epworth Sleepiness Scale after short intervals in a sleep clinic population and the need for adequate sleepiness assessment in research and clinical settings Low repeatability of Epworth Sleepiness Scale after short intervals in a sleep clinic population and the need for adequate sleepiness assessment in research and clinical settings Download Long-term changes of stimulation intensities in hypoglossal nerve stimulation Low repeatability of the Epworth Sleepiness Scale and the need to redefine the minimal clinically important difference