Evening-types show highest increase of sleep and mental health problems during the COVID-19 pandemic—multinational study on 19 267 adults -V45I2 Evening-types show highest increase of sleep and mental health problems during the COVID-19 pandemic—multinational study on 19 267 adults -V45I2 Download Heart rate variability as a potential biomarker of pediatric obstructive sleep apnea resolution -V45I2 Homeostatic regulation of NREM sleep, but not REM sleep, in Australian magpies -V45I2