Melatonin is the natural hormone your body secretes that helps to maintain your wake-sleep cycle (also called “biological clock”). Melatonin is also made synthetically and available without a prescription as an over-the-counter (OTC) dietary supplement in the U.S.

• help decrease jet lag
• adjust sleep cycles in the blind (non 24-Hour Sleep Wake Disorder, or Non-24)
• treat shift-work sleep disorders in people with alternating work schedules
• for general insomnias