Surely you know the situation: You lie awake in bed at night and can't fall asleep. The next day you wake up and feel anything but rested and regenerated. If this happens to you often, you are not alone. About 30% of Germans have problems falling asleep or have difficulty sleeping through the night. Surely you have already read some blog posts on the subject of sleeping that give you tips on how to fall asleep more easily. These include, for example, a regulated sleep rhythm, a cool bedroom or even the night mode of your PC. In this article, however, we would like to address a factor that is often forgotten.