If your eyes don’t want to get heavy, but the alarm clock is going to ring in a few hours, you should get up again: sleep researcher Christine Blume gives tips for falling asleep for quiet nights. Catherine Wissmann

Ms. Blume, what influence do scents and essential oils have on our sleep? Behavior therapy assumes that everyone can sleep. So everyone should be able to calm down without these external influences. You don’t need lavender scents or stone pine. There is also no scientific evidence of its effectiveness in the treatment of insomnia.