Some studies point to melatonin use as beneficial to heart health, while others say the opposite. Here’s how to make sense of the complex research. Melatonin may be one of America’s most trusted sleep ...

A simple intervention could soon keep the produce in your refrigerator fresh for a little longer. Researchers at MIT have found that injecting newly harvested plants with tiny amounts of melatonin—the ...

Melatonin has recently become a popular supplement for people who want to sleep better. It also plays a role in reproductive health. However, research is unclear about whether melatonin is actually ...

Melatonin is a hormone that helps regulate the body’s sleep-wake cycle. However, there is no research to show that it is safe to give infants. Although the body produces its own melatonin, taking ...

Melatonin is a hormone your brain makes naturally to control your sleep cycle. The process is tied to the amount of light around you. Your melatonin level usually starts to rise after the sun sets and ...

Melatonin may be safe for adults and children with sleep disorders when taken as prescribed by a doctor. However, there isn’t enough evidence on infant safety, and more research is needed. Melatonin ...

Melatonin, which helps regulate your circadian rhythm, plays an important role in preparing you for sleep. Now a new study, the first of its kind in the U.S., reports that the contents of melatonin ...

Melatonin is a natural hormone that promotes sleep. It is also available as an over-the-counter (OTC) sleep aid. OTC melatonin lasts for between 2.5 and 10 hours, depending on dosage and other factors ...