Every evening, we close our eyes and plunge into another universe with sleep. Yet, for a long time, scientists wondered what its true purpose was. After all, sleep ...

Schools have a powerful strategy at their disposal to help improve students’ mental health, one that doesn’t necessarily require banning cellphones: Help kids—especially adolescents—get more sleep.

A baby’s first smile is one of many exciting milestones they experience. In addition to smiling while awake, many parents and ...