Webber Naturals Sleep Cycle - This tri-layer formula quickly releases 5 mg of melatonin along with a calming nighttime botanical blend of valerian, passionflower, and hops, plus L-theanine for relaxation, as well as the sleep aid 5-HTP to help you fall asleep more easily. It then steadily releases another 5 mg of melatonin throughout the night to improve the duration and quality of your sleep so you wake up feeling refreshed! It’s a great option for shift work or jet lag, or for people who have trouble sleeping in general.