Assertion: valerian | /r/CapableOf | help the quality of sleep
Facets:
value: more quickly
type: MANNER
Source sentences:
text: Valerian appears to help people fall asleep more quickly and to improve the quality of sleep.
text: However, a 2006 review by the University of California reported that valerian can help improve the quality of sleep, although the researchers concluded that more studies are needed.6