Passion flower contains complex substances that work on the nervous system as a sedative. It depresses the central nervous system to help with insomnia, anxiety, and nervousness. Passion flower is thought to be safe for the children as well as the elderly. It contains anti-inflammatory properties that may be useful for those suffering from arthritis. Another possible benefit of passion flower is its ability to kill a wide variety of organisms, such as yeast, molds, and bacteria. It is a wonderful digestive aid and can help with menstrual cramps.