Why put a lemon next to the bed? Trick works wonders for health and sleep. And even colds and allergies can be helped with a lemon.

A sliced ​​lemon in the room can increase serotonin levels. Scientists at Ohio State University in the USA found in a study that the fruit can act as a mood enhancer and even make it easier to get up. If you don't want to miss out on the healthy or relaxing effects of lemon, you should change the fruit on your bedside table regularly.