Sleep struggles are often blamed on stress , screens, or busy schedules, but a surprising drink could offer some relief. According to BBC Food , melatonin - the hormone produced by the brain’s pineal gland that helps regulate sleep - naturally rises at night and falls in the morning. Because some foods contain melatonin, they may help improve sleep patterns. And some research is pointing to a simple option: tart cherry juice. Glyn Howatson, a professor at Northumbria University, has studied