Assertion: melatonin | /r/CapableOf | help regulate sleep-wake cycle
Facets:
value: approximately
type: TEMPORAL
Source sentences:
text: Melatonin helps regulate the sleep-wake cycle and other circadian rhythms.
text: Melatonin is a hormone secreted by the pineal gland that may help regulate a person’s circadian (approximately 24-hour) rhythm, including the sleep-wake cycle.