MetasleepBi phase melatonin associated with kava promotes falling asleep and increases sleep duration. MetaSleep is formulated with clinically studied bi phase melatonin to help you fall asleep and extend your sleep cycle, and with kava to relax by calming the mind and body. With MetaSleep's gradual release technology, your body absorbs 50% of the melatonin within the first hour and the rest over a period of over 5 hours, to promote healthy sleep. Melatonin