Assertion: melatonin's effect | /r/CapableOf | reduce the time
Facets:
value: according to one meta-review
type: OTHER
value: combined
type: OTHER
value: by an average of 7 minutes
type: OTHER
Source sentences:
text: Combined, these effects can reduce the time it takes to fall asleep – by an average of 7 minutes, according to one meta-review ( 8 ).