Assertion: melatonin | /r/HasProperty | responsible for regulating sleep cycles
Facets:
value: largely
type: DEGREE
Source sentences:
text: Melatonin is largely responsible for regulating sleep cycles, helping to keep us awake at the right times (like during the day at work) and to fall asleep when we naturally should (when it is dark outside).
text: Since Melatonin occurs in the body naturally and is responsible for regulating sleep cycles, it only makes sense to look for natural sleep aids than contain this important hormone.