Sleep and COVID-19, the history of sleep, chronobiology and insomnia

摘要

Dear members of the ESRS, Dear readers of JSR, Let me welcome you to the first issue of JSR in the year 2021. First of all, let me wish you a Happy New Year 2021 and let's be optimistic, hoping that the worldwide COVID-19 health crisis will be overcome in the near future. It should be mentioned here that this volume 30 of JSR reflects the third decade of existence of the Journal of Sleep Research - time to celebrate! The first issue of JSR in 2021 encompasses a variety of topics ranging from sleep and COVID-19 to the history of sleep, chronobiology and sleep and several aspects of insomnia. I would like to highlight a few of the manuscripts in this issue for you.