Hops

Houblon; Humulus lupulus; Lupulin

... In folk medicine, hops is best known for its calming effects. Supposedly, during the Dark Ages or earlier, individuals who worked as hops growers, collectors, or handlers were noticed to be more relaxed -- even to the point of fatigue. Hops began to be used as a sedative and sleep aid. Subsequently, hops gained a reputation for being effective in treating anxiety, insomnia, restlessness, and related conditions. It is still used for sedation, often in combination with other sleep-promoting herbals such as valerian; even though little scientific evidence supports this use. ...

?Hop Common Hop plant (Humulus lupulus) Scientific classification ...