Assertion: valerian | /r/HasProperty | combined with passionflower
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Studies look at a combination of herbs A separate issue is that many studies do not explore the use of valerian alone, but instead analyze the effects of valerian combined with other medicinal herbs, such as passionflower or kava.
text: Valerian is sometimes combined with other herbs such as lemon balm, passion flower, and hops .