The Over-the-Counter Sleeping Pill That’s Too Good to Be True
Thomas FuchsOnce upon a time, insomniacs counted sheep. Today, they take melatonin. Referred to by scientists as the “hormone of darkness,” melatonin is naturally produced by a gland in the brain at night, but it can also be purchased at any major drugstore. Millions of Americans take it, whether swallowing it in pill form, spritzing it…