Assertion: magnesium sulfate's magnesium | /r/CapableOf | play key role
Facets:
value: in elderly populations
type: LOCATION
value: according to this study
type: OTHER
value: in the regulation of sleep
type: TRANSITIVE-OBJECT
Source sentences:
text: For example, according to this study, magnesium plays a key role in the regulation of sleep, especially in elderly populations.