Assertion: valerian's root | /r/HasProperty | combined with kava
Facets:
value: to treat insomnia
type: PURPOSE
value: often
type: TEMPORAL
Source sentences:
text: Valerian root is often combined with other sedating herbs, such as hops (Humulus lupulus), St. John’s Wort, kava, and lemon balm (Melissa officinalis) to treat insomnia.