When a child takes a 1 milligram dose of melatonin, the hormone quickly enters their bloodstream, signaling to the brain that it’s time for sleep. Melatonin reaches levels in the blood that can be ...

But in August, Putnam said, she learned from a former employee at the day care center that he and others had given melatonin ...

Laura Putnam never thought her sons would receive melatonin supplements at day care. She enrolled them at Apple Blossom Childcare in Falmouth, Maine, when they were 1 and 2 years old. She said ...

But in August, Putnam said, she learned from a former employee at the day care center that he and others had given melatonin gummies to children, including her older son, who was 4 years old at ...