We all know that a restless night can leave us feeling groggy and irritable, but there’s more to the story than just hours logged in bed or what your sleep device reports. Emerging research shows that your perception of how well you slept may

You’ve probably heard that some foods can make you feel happier — and science shows that’s true. Your brain makes serotonin, a chemical that helps regulate mood, from nutrients in the foods you eat. Eating nutrient-rich m...