A German study found that Hops is proven to have sedative effects. Hops is widely used to treat tenseness, restlessness, and sleep disorders. Hops extracts have been combined with herbs such as valerian to induce sleep and with passion flower to produce sedation.
he authors conducted experiments to determine the sedating activity of ethanolic and CO2 extracts of hops. They found that body temperature fell (indicates sedation) in subjects given Hops