It provides relief from problems like nervousness and insomnia also helps to mellow out by boosting the brain’s levels of a chemical called GABA, which lowers your brain activity. As such, it shows potential as a good sleep aid. It is helpful against ulcers caused by alcohol or aspirin. Ulcer is a rip in the stomach lining. Along with a decrease in ulcers, the plant was also found to have great antioxidant potential Supplementation with passion flower improves depression and other symptoms of menopause, including anger, insomnia and headache.