Herbesan Infusion Organic Serene Sleep 20 Sachets is a flavoured preparation based on plants for infusion. Lemon Balm promotes relaxation and physical and mental well-being.Passionflower helps to relax in case of fatigue and temporary stress and therefore allows a more serene sleep.Orange flavour. Certified Organic Farming. Control ES-ECO-020-CV. Vegan.