Assertion: melatonin | /r/CapableOf | play key role
Facets:
value: in development
type: TEMPORAL
value: in reproductive function
type: OTHER
value: in maintaining sleep patterns
type: PURPOSE
Source sentences:
text: For this reason, melatonin plays a key role in maintaining sleep patterns and regulating other hormones.
text: Melatonin plays a key role in reproductive function and development, and also has antioxidant properties.
text: Often called the sleep hormone, melatonin plays a key role in regulating the body's wake-sleep cycle.